Scripts: fixed two warnings reported by Travis

src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingDescent/boss_nefarians_end.cpp

@@ -1372,8 +1372,8 @@ struct npc_nefarians_end_shadowblaze : public NullCreatureAI
 
 private:
     Position _controllerStalkerPosition;
-    InstanceScript* _instance;
     bool _summonedByController;
+    InstanceScript* _instance;
 };
 
 class spell_nefarians_end_electrical_charge : public AuraScript

src/server/scripts/Kalimdor/VortexPinnacle/instance_vortex_pinnacle.cpp

@@ -190,7 +190,7 @@ class instance_vortex_pinnacle : public InstanceMapScript
                 return true;
             }
 
-            void SetData(uint32 type, uint32 value) override
+            void SetData(uint32 type, uint32 /*value*/) override
             {
                 switch (type)
                 {