Fix C/C++ errors generated by CLion IDE

include/map_obj_lock.h

@@ -1,6 +1,8 @@
 #ifndef GUARD_MAP_OBJ_LOCK_H
 #define GUARD_MAP_OBJ_LOCK_H
 
+#include "global.h"
+
 bool8 sub_80983C4(void);
 void ScriptFreezeMapObjects(void);
 bool8 sub_809847C(void);