Core/SAI: Add check so npc will not send text to pet. Also updated isPet() to IsPet().

src/server/game/AI/SmartScripts/SmartScript.cpp

@@ -166,7 +166,7 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
             {
                 for (ObjectList::const_iterator itr = targets->begin(); itr != targets->end(); ++itr)
                 {
-                    if (IsCreature((*itr)))
+                    if (IsCreature((*itr)) && !(*itr)->ToCreature()->IsPet()) // Prevented sending text to pets.
                     {
                         talker = (*itr)->ToCreature();
                         break;