Core: Codestyle clean-up

"plr"->player

Note: codestyle methods needs maintained, Player* player.

src/server/game/Server/WorldSession.cpp

@@ -55,12 +55,12 @@ bool MapSessionFilter::Process(WorldPacket* packet)
     if (opHandle.packetProcessing == PROCESS_THREADUNSAFE)
         return false;
 
-    Player* plr = m_pSession->GetPlayer();
-    if (!plr)
+    Player* player = m_pSession->GetPlayer();
+    if (!player)
         return false;
 
     //in Map::Update() we do not process packets where player is not in world!
-    return plr->IsInWorld();
+    return player->IsInWorld();
 }
 
 //we should process ALL packets when player is not in world/logged in
@@ -77,12 +77,12 @@ bool WorldSessionFilter::Process(WorldPacket* packet)
         return true;
 
     //no player attached? -> our client! ^^
-    Player* plr = m_pSession->GetPlayer();
-    if (!plr)
+    Player* player = m_pSession->GetPlayer();
+    if (!player)
         return true;
 
     //lets process all packets for non-in-the-world player
-    return (plr->IsInWorld() == false);
+    return (player->IsInWorld() == false);
 }
 
 /// WorldSession constructor
@@ -964,9 +964,9 @@ void WorldSession::SendAddonsInfo()
     SendPacket(&data);
 }
 
-void WorldSession::SetPlayer(Player* plr)
+void WorldSession::SetPlayer(Player* player)
 {
-    _player = plr;
+    _player = player;
 
     // set m_GUID that can be used while player loggined and later until m_playerRecentlyLogout not reset
     if (_player)