(svn r20758) -Fix: when leaving the program, current newgrf config would leak, causing valgrind warnings

src/openttd.cpp

@@ -59,6 +59,7 @@
 #include "rail_gui.h"
 #include "core/backup_type.hpp"
 #include "hotkeys.h"
+#include "newgrf.h"
 
 
 #include "town.h"
@@ -347,6 +348,8 @@ static void ShutdownGame()
 	free(_config_file);
 #endif
 
+	ResetNewGRFData();
+
 	/* Close all and any open filehandles */
 	FioCloseAll();
 }