Core/Scripting: codestyle and comment for previous commit

src/server/game/Scripting/ScriptMgr.cpp

@@ -1297,7 +1297,7 @@ void ScriptMgr::OnPlayerBindToInstance(Player* player, Difficulty difficulty, ui
 
 void ScriptMgr::OnPlayerUpdateZone(Player* player, uint32 newZone, uint32 newArea)
 {
-        FOREACH_SCRIPT(PlayerScript)->OnUpdateZone(player, newZone, newArea);
+    FOREACH_SCRIPT(PlayerScript)->OnUpdateZone(player, newZone, newArea);
 }
 
 // Guild

src/server/game/Scripting/ScriptMgr.h

@@ -725,6 +725,7 @@ class PlayerScript : public ScriptObject
         // Called when a player is bound to an instance
         virtual void OnBindToInstance(Player* /*player*/, Difficulty /*difficulty*/, uint32 /*mapId*/, bool /*permanent*/) { }
 
+        // Called when a player switches to a new zone
         virtual void OnUpdateZone(Player* /*player*/, uint32 /*newZone*/, uint32 /*newArea*/) { }
 };