Core/Game: Include cleanup part 5

* ObjectMgr.h
* Player.h
* Unit.h
* G3D should no longer propagate everywhere from Spline/MotionMaster

src/server/game/Guilds/GuildMgr.cpp

@@ -16,11 +16,13 @@
  */
 
 #include "GuildMgr.h"
+#include "DB2Stores.h"
 #include "DatabaseEnv.h"
 #include "Guild.h"
 #include "Log.h"
 #include "ObjectMgr.h"
 #include "World.h"
+#include <algorithm>
 
 GuildMgr::GuildMgr() : NextGuildId(UI64LIT(1))
 {