Write Catalog.xml even if FastLoad is on.

FastLoad just means "don't check files for changes", not "only use cache".  New files that aren't already in cache are still loaded normally.

stepmania/src/StepMania.cpp

@@ -1117,8 +1117,7 @@ int main(int argc, char* argv[])
 
 	/* This shouldn't need to be here; if it's taking long enough that this is
 	 * even visible, we should be fixing it, not showing a progress display. */
-	if( !PREFSMAN->m_bFastLoad )
-		SaveCatalogXml( loading_window );
+	SaveCatalogXml( loading_window );
 	
 	NSMAN 		= new NetworkSyncManager( loading_window ); 
 	MESSAGEMAN	= new MessageManager;