filesystem: restore DarkPlaces contributors copyrights lost in filesystem_stdio

* Add Xash3D FWGS contributors copyrights

engine/common/filesystem_engine.c

@@ -1,6 +1,9 @@
  /*
 filesystem.c - game filesystem based on DP fs
+Copyright (C) 2003-2006 Mathieu Olivier
+Copyright (C) 2000-2007 DarkPlaces contributors
 Copyright (C) 2007 Uncle Mike
+Copyright (C) 2015-2023 Xash3D FWGS contributors
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -101,10 +104,7 @@ FS_Init
 */
 void FS_Init( void )
 {
-	qboolean		hasBaseDir = false;
-	qboolean		hasGameDir = false;
 	qboolean		caseinsensitive = true;
-	int		i;
 	string gamedir;
 
 	Cmd_AddRestrictedCommand( "fs_rescan", FS_Rescan_f, "rescan filesystem search pathes" );

filesystem/VFileSystem009.cpp

@@ -1,6 +1,6 @@
 /*
 VFileSystem009.h - C++ interface for filesystem_stdio
-Copyright (C) 2022 Alibek Omarov
+Copyright (C) 2022-2023 Xash3D FWGS contributors
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

filesystem/VFileSystem009.h

@@ -1,6 +1,6 @@
 /*
 VFileSystem009.h - C++ interface for filesystem_stdio
-Copyright (C) 2022 Alibek Omarov
+Copyright (C) 2022-2023 Xash3D FWGS contributors
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

filesystem/dir.c

@@ -1,6 +1,7 @@
 /*
 dir.c - caseinsensitive directory operations
 Copyright (C) 2022 Alibek Omarov, Velaron
+Copyright (C) 2023 Xash3D FWGS contributors
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

filesystem/filesystem.c

@@ -1,6 +1,9 @@
 /*
 filesystem.c - game filesystem based on DP fs
+Copyright (C) 2003-2006 Mathieu Olivier
+Copyright (C) 2000-2007 DarkPlaces contributors
 Copyright (C) 2007 Uncle Mike
+Copyright (C) 2015-2023 Xash3D FWGS contributors
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

filesystem/filesystem.h

@@ -1,6 +1,9 @@
 /*
 filesystem.h - engine FS
+Copyright (C) 2003-2006 Mathieu Olivier
+Copyright (C) 2000-2007 DarkPlaces contributors
 Copyright (C) 2007 Uncle Mike
+Copyright (C) 2015-2023 Xash3D FWGS contributors
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

filesystem/filesystem_internal.h

@@ -1,6 +1,9 @@
 /*
 filesystem.h - engine FS
+Copyright (C) 2003-2006 Mathieu Olivier
+Copyright (C) 2000-2007 DarkPlaces contributors
 Copyright (C) 2007 Uncle Mike
+Copyright (C) 2015-2023 Xash3D FWGS contributors
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

filesystem/fscallback.h

@@ -1,6 +1,9 @@
 /*
 fscallback.h - common filesystem callbacks
-Copyright (C) 2022 Alibek Omarov
+Copyright (C) 2003-2006 Mathieu Olivier
+Copyright (C) 2000-2007 DarkPlaces contributors
+Copyright (C) 2007 Uncle Mike
+Copyright (C) 2015-2023 Xash3D FWGS contributors
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

filesystem/pak.c

@@ -1,7 +1,9 @@
 /*
 pak.c - PAK support for filesystem
+Copyright (C) 2003-2006 Mathieu Olivier
+Copyright (C) 2000-2007 DarkPlaces contributors
 Copyright (C) 2007 Uncle Mike
-Copyright (C) 2022 Alibek Omarov
+Copyright (C) 2015-2023 Xash3D FWGS contributors
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

filesystem/wad.c

@@ -1,7 +1,9 @@
 /*
 wad.c - WAD support for filesystem
+Copyright (C) 2003-2006 Mathieu Olivier
+Copyright (C) 2000-2007 DarkPlaces contributors
 Copyright (C) 2007 Uncle Mike
-Copyright (C) 2022 Alibek Omarov
+Copyright (C) 2015-2023 Xash3D FWGS contributors
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

filesystem/zip.c

@@ -1,7 +1,7 @@
 /*
 zip.c - ZIP support for filesystem
 Copyright (C) 2019 Mr0maks
-Copyright (C) 2022 Alibek Omarov
+Copyright (C) 2019-2023 Xash3D FWGS contributors
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by