Add const and fix crash when returning to main menu.

src/game/game.cpp

@@ -320,7 +320,7 @@ static void GameTypeManTeamVsMachine(void)
 **
 **  @todo FIXME: use in this function InitModules / LoadModules!!!
 */
-void CreateGame(char* filename, WorldMap* map)
+void CreateGame(const char* filename, WorldMap* map)
 {
 	int i;
 	int j;

src/include/menus.h

@@ -393,7 +393,7 @@ extern void SetupEditor(void);
 extern void ErrorMenu(char*);
 
 	/// Menu Loop
-extern void MenuLoop(char* filename, struct _world_map_* map);
+extern void MenuLoop(const char* filename, struct _world_map_* map);
 
 	/// Pre menu setup
 extern void PreMenuSetup(void);

src/include/settings.h

@@ -178,7 +178,7 @@ extern void ObjectivesCclRegister(void);
 	/// Save the objectives
 extern void SaveObjectives(struct _CL_File_* file);
 	/// Create a game
-extern void CreateGame(char* filename, struct _world_map_* map);
+extern void CreateGame(const char* filename, struct _world_map_* map);
 	/// Init Setting to default values
 extern void InitSettings(void);
 

src/stratagus/stratagus.cpp

@@ -647,7 +647,7 @@ void PreMenuSetup(void)
 **  @param filename  map filename
 **  @param map       map loaded
 */
-void MenuLoop(char* filename, WorldMap* map)
+void MenuLoop(const char* filename, WorldMap* map)
 {
 	for (;;) {
 		//
@@ -751,7 +751,7 @@ void MenuLoop(char* filename, WorldMap* map)
 
 		filename = NextChapter();
 		sprintf(CurrentMapPath, "%s/%s", StratagusLibPath, filename);
-		filename = CurrentMapPath;
+//		filename = CurrentMapPath;
 		DebugPrint("Next chapter %s\n" _C_ CurrentMapPath);
 	}
 }