Change temp threat aura mods to use temp threat modifier instead of "asisting" it's threat value over all references.

--HG--
branch : trunk

src/game/HostilRefManager.cpp

@@ -51,6 +51,27 @@ void HostilRefManager::threatAssist(Unit *pVictim, float fThreat, SpellEntry con
     }
 }
 
+//=================================================
+
+void HostilRefManager::addTempThreat(float fThreat, bool apply)
+{
+    HostilReference* ref = getFirst();
+
+    while(ref != NULL)
+    {
+        if (apply)
+        {
+            if (ref->getTempThreatModifier() == 0.0f)
+                ref->addTempThreat(fThreat);
+        }
+        else
+            ref->resetTempThreat();
+
+        ref = ref->next();
+    }
+}
+
+
 //=================================================
 
 void HostilRefManager::addThreatPercent(int32 iPercent)