Core: Fix more warnings

--HG--
branch : trunk

src/server/scripts/EasternKingdoms/Uldaman/boss_archaedas.cpp

@@ -189,7 +189,7 @@ class boss_archaedas : public CreatureScript
                 DoMeleeAttackIfReady();
             }
 
-            void JustDied (Unit *pKiller) {
+            void JustDied (Unit * /*pKiller*/) {
                 if (pInstance)
                 {
                     pInstance->SetData(NULL,3);        // open the vault door

src/server/scripts/EasternKingdoms/Uldaman/instance_uldaman.cpp

@@ -173,7 +173,7 @@ class instance_uldaman : public InstanceMapScript
                 if (!archaedas)
                     return;
 
-                if (Unit *victim = Unit::GetUnit(*archaedas, target))
+                if (Unit::GetUnit(*archaedas, target))
                 {
                     archaedas->CastSpell(archaedas, SPELL_ARCHAEDAS_AWAKEN,false);
                     whoWokeArchaedasGUID = target;
@@ -299,4 +299,4 @@ class instance_uldaman : public InstanceMapScript
 void AddSC_instance_uldaman()
 {
     new instance_uldaman();
-}
+}