[patch][6948] Unattackable NPC pets

[False.Genesis]

- this fixes "blue" and unattackable NPC pets: only player pets should have the flag UNIT_FLAG_PVP_ATTACKABLE set.

- for rev 6944

- as far as i know there was no bug report yet

- patch be me (False.Genesis / ProjectEden)

diff --git a/src/game/SpellEffects.cpp b/src/game/SpellEffects.cpp
index 56d86dc..03eaf5f 100644
--- a/src/game/SpellEffects.cpp
+++ b/src/game/SpellEffects.cpp
@@ -4184,7 +4184,10 @@ void Spell::EffectSummonPet(uint32 i)
    // this enables pet details window (Shift+P)

    // this enables popup window (pet dismiss, cancel), hunter pet additional flags set later
-    NewSummon->SetUInt32Value(UNIT_FIELD_FLAGS,UNIT_FLAG_PVP_ATTACKABLE);
+    if(m_caster->GetTypeId() == TYPEID_PLAYER)
+    {
+        NewSummon->SetUInt32Value(UNIT_FIELD_FLAGS,UNIT_FLAG_PVP_ATTACKABLE);
+    }

    NewSummon->InitStatsForLevel(petlevel);
    NewSummon->InitPetCreateSpells();

[VladimirMangos]

Patch in [6948]. Thank you.

I add same chages in some other cases affected by same problem. Patch backported to mangos-0.12 also.