utils: mdldec: always write trailing slash for non-empty destination path.

utils/mdldec/mdldec.c

@@ -305,7 +305,7 @@ static qboolean LoadMDL( const char *modelname )
 		return false;
 	}
 
-	if( Q_strcmp( ext, "mdl" ) )
+	if( Q_stricmp( ext, "mdl" ) )
 	{
 		fprintf( stderr, "ERROR: Only .mdl-files is supported.\n" );
 		return false;
@@ -354,12 +354,13 @@ static qboolean LoadMDL( const char *modelname )
 			fprintf( stderr, "ERROR: Couldn't create directory %s\n", destdir );
 			return false;
 		}
-
-		COM_PathSlashFix( destdir );
 	}
 	else
 		COM_ExtractFilePath( modelname, destdir );
 
+	if( destdir[0] != '\0' )
+		COM_PathSlashFix( destdir );
+
 	len -= ( sizeof( ".mdl" ) - 1 ); // path length without extension
 
 	if( !model_hdr->numtextures )