don't write the bsp twice when pseudo compiling

tools/quake3/q3map2/bsp.c

@@ -978,7 +978,7 @@ int BSPMain( int argc, char **argv )
 	ProcessAdvertisements();
 
 	/* finish and write bsp */
-	EndBSPFile();
+	EndBSPFile(qtrue);
 	
 	/* remove temp map source file if appropriate */
 	if( strlen( tempSource ) > 0)

tools/quake3/q3map2/main.c

@@ -1511,7 +1511,7 @@ void PseudoCompileBSP(qboolean need_tree)
 		EmitBrushes(entity->brushes, &entity->firstBrush, &entity->numBrushes );
 		EndModel(entity, node);
 	}
-	EndBSPFile();
+	EndBSPFile(qfalse);
 }
 
 /*

tools/quake3/q3map2/q3map2.h

@@ -1615,7 +1615,7 @@ void						SetLightStyles( void );
 int							EmitShader( const char *shader, int *contentFlags, int *surfaceFlags );
 
 void						BeginBSPFile( void );
-void						EndBSPFile( void );
+void						EndBSPFile( qboolean do_write );
 void						EmitBrushes( brush_t *brushes, int *firstBrush, int *numBrushes );
 void						EmitFogs( void );
 

tools/quake3/q3map2/writebsp.c

@@ -399,7 +399,7 @@ EndBSPFile()
 finishes a new bsp and writes to disk
 */
 
-void EndBSPFile( void )
+void EndBSPFile(qboolean do_write)
 {
 	char	path[ 1024 ];
 	
@@ -411,6 +411,8 @@ void EndBSPFile( void )
 	numBSPEntities = numEntities;
 	UnparseEntities();
 	
+	if(do_write)
+	{
 		/* write the surface extra file */
 		WriteSurfaceExtraFile( source );
 
@@ -419,6 +421,7 @@ void EndBSPFile( void )
 		Sys_Printf( "Writing %s\n", path );
 		WriteBSPFile( path );
 	}
+}