[11008] Fix wrong threat assignment in threatAssist().

It may have been faster, but unfortunately made the aggressor threatened by his enemies instead of the opposite...
In case Player heals himself, this is of course pointless as he chooses target himself, hence it had no real effect at all.

src/game/HostileRefManager.cpp

@@ -63,10 +63,7 @@ void HostileRefManager::threatAssist(Unit *pVictim, float pThreat, SpellEntry co
             }
         }
 
-        if (pVictim == getOwner())
-            ref->addThreat(float (threat) / size);          // It is faster to modify the threat durectly if possible
-        else
-            ref->getSource()->addThreat(pVictim, float (threat) / size);
+        ref->getSource()->addThreat(pVictim, float (threat) / size);
 
         ref = ref->next();
     }

src/shared/revision_nr.h

@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "11007"
+ #define REVISION_NR "11008"
 #endif // __REVISION_NR_H__