(svn r11867) -Fix: do not reset changes to persistent storages during world generation.

-Fix: store changes to persistent storages after performing all the game logic instead of resetting them.

src/genworld.cpp

@@ -23,6 +23,7 @@
 #include "core/random_func.hpp"
 #include "engine.h"
 #include "settings_type.h"
+#include "newgrf_storage.h"
 
 #include "table/sprites.h"
 
@@ -118,6 +119,8 @@ static void *_GenerateWorld(void *arg)
 		}
 	}
 
+	ClearStorageChanges(true);
+
 	/* These are probably pointless when inside the scenario editor. */
 	SetGeneratingWorldProgress(GWP_GAME_INIT, 3);
 	StartupPlayers();