Core/: Set correct sizes of SMSG_ATTACKSTOP packets

--HG--
branch : trunk

src/server/game/Entities/Unit/Unit.cpp

@@ -2550,7 +2550,7 @@ void Unit::SendMeleeAttackStop(Unit* victim)
     if (!victim)
         return;
 
-    WorldPacket data(SMSG_ATTACKSTOP, (4+16));            // we guess size
+    WorldPacket data(SMSG_ATTACKSTOP, (8+8+4));            // we guess size
     data.append(GetPackGUID());
     data.append(victim->GetPackGUID());                     // can be 0x00...
     data << uint32(0);                                      // can be 0x1

src/server/game/Server/Protocol/Handlers/CombatHandler.cpp

@@ -82,7 +82,7 @@ void WorldSession::HandleSetSheathedOpcode(WorldPacket & recv_data)
 
 void WorldSession::SendAttackStop(Unit const* enemy)
 {
-    WorldPacket data(SMSG_ATTACKSTOP, (4+20));            // we guess size
+    WorldPacket data(SMSG_ATTACKSTOP, (8+8+4));             // we guess size
     data.append(GetPlayer()->GetPackGUID());
     data.append(enemy ? enemy->GetPackGUID() : 0);          // must be packed guid
     data << uint32(0);                                      // unk, can be 1 also