Core/Misc: Reserve trinity_string id for master branch

Author: Shauren

src/server/game/Miscellaneous/Language.h

@@ -344,7 +344,7 @@ enum TrinityStrings
     LANG_COMMAND_NPC_SHOWLOOT_LABEL_2     = 293,
     LANG_COMMAND_NPC_SHOWLOOT_SUBLABEL    = 294,
     LANG_COMMAND_NPC_SHOWLOOT_ENTRY_2     = 295,
-      // 296 free
+    LANG_COMMAND_NPC_SHOWLOOT_CURRENCY    = 296, // master branch ONLY
 
       // END
     LANG_COMMAND_WANDER_DISTANCE          = 297,