Core/Player: Change equipmentset saving to use prepared statements.

Update issue #4550
Please try to re-reproduce

--HG--
branch : trunk

src/server/shared/Database/Implementation/CharacterDatabase.h

@@ -206,6 +206,10 @@ enum CharacterDatabaseStatements
     CHAR_SET_CHANNEL_USAGE,
     CHAR_CLEAN_CHANNEL,
 
+    CHAR_SET_EQUIP_SET,
+    CHAR_ADD_EQUIP_SET,
+    CHAR_DEL_EQUIP_SET,
+
     MAX_CHARACTERDATABASE_STATEMENTS,
 };