Core: Fix some warnings

--HG--
branch : trunk

src/server/game/DungeonFinding/LFGMgr.cpp

@@ -2135,7 +2135,6 @@ LfgReward const* LFGMgr::GetRandomDungeonReward(uint32 dungeon, uint8 level)
 {
     LfgReward const* rew = NULL;
     LfgRewardMapBounds bounds = m_RewardMap.equal_range(dungeon & 0x00FFFFFF);
-    uint8 index = 0;
     for (LfgRewardMap::const_iterator itr = bounds.first; itr != bounds.second; ++itr)
     {
         rew = itr->second;
@@ -2199,4 +2198,4 @@ std::string LFGMgr::ConcatenateGuids(LfgGuidList check)
         o << "|" << *it;
     guidSet.clear();
     return o.str();
-}
+}

src/server/game/DungeonFinding/LFGMgr.h

@@ -275,7 +275,7 @@ class LFGMgr
         void LoadDungeonEncounters();
         void LoadRewards();
         void RewardDungeonDoneFor(const uint32 dungeonId, Player* player);
-        const uint32 GetDungeonIdForAchievement(uint32 achievementId)
+        uint32 GetDungeonIdForAchievement(uint32 achievementId)
         {
             std::map<uint32, uint32>::iterator itr = m_EncountersByAchievement.find(achievementId);
             if (itr != m_EncountersByAchievement.end())