fix crash

Author: Nyeriah

src/mod_zone_difficulty_handler.cpp

@@ -552,6 +552,9 @@ std::string ZoneDifficulty::GetContentTypeString(uint32 type)
     case TYPE_RAID_HYJAL:
         typestring = "for Battle for Mount Hyjal.";
         break;
+    case TYPE_RAID_SWP:
+        typestring = "for Sunwell Plateau.";
+        break;
     default:
         typestring = "-";
     }

src/mod_zone_difficulty_scripts.cpp

@@ -728,7 +728,7 @@ class mod_zone_difficulty_rewardnpc : public CreatureScript
             }
         }
         // Number is too low... ALWAYS remember to check if the number is too low when adding new bracket. Else enjoy crash <3
-        else if (action < 1900)
+        else if (action < TYPE_MAX_TIERS * 100)
         {
             npcText = NPC_TEXT_ITEM;
             uint32 category = 0;