filesystem: try to fix case of library filename in FindLibrary

filesystem/filesystem.c

@@ -1261,6 +1261,7 @@ search for library, assume index is valid
 */
 static qboolean FS_FindLibrary( const char *dllname, qboolean directpath, fs_dllinfo_t *dllInfo )
 {
+	string fixedname;
 	searchpath_t	*search;
 	int index, start = 0, i, len;
 
@@ -1276,7 +1277,6 @@ static qboolean FS_FindLibrary( const char *dllname, qboolean directpath, fs_dll
 
 	// replace all backward slashes
 	len = Q_strlen( dllname );
-
 	for( i = 0; i < len; i++ )
 	{
 		if( dllname[i+start] == '\\' ) dllInfo->shortPath[i] = '/';
@@ -1286,16 +1286,22 @@ static qboolean FS_FindLibrary( const char *dllname, qboolean directpath, fs_dll
 
 	COM_DefaultExtension( dllInfo->shortPath, "."OS_LIB_EXT, sizeof( dllInfo->shortPath ));	// apply ext if forget
 
-	search = FS_FindFile( dllInfo->shortPath, &index, NULL, 0, false );
+	search = FS_FindFile( dllInfo->shortPath, &index, fixedname, sizeof( fixedname ), false );
 
-	if( !search && !directpath )
+	if( search )
+	{
+		Q_strncpy( dllInfo->shortPath, fixedname, sizeof( dllInfo->shortPath ));
+	}
+	else if( !directpath )
 	{
 		fs_ext_path = false;
 
 		// trying check also 'bin' folder for indirect paths
-		Q_strncpy( dllInfo->shortPath, dllname, sizeof( dllInfo->shortPath ));
-		search = FS_FindFile( dllInfo->shortPath, &index, NULL, 0, false );
-		if( !search ) return false; // unable to find
+		search = FS_FindFile( dllname, &index, fixedname, sizeof( fixedname ), false );
+		if( !search )
+			return false; // unable to find
+
+		Q_strncpy( dllInfo->shortPath, fixedname, sizeof( dllInfo->shortPath ));
 	}
 
 	dllInfo->encrypted = FS_CheckForCrypt( dllInfo->shortPath );