Another potential crashfix in vobjlist

indra/newview/llviewerobjectlist.cpp

@@ -1383,8 +1383,13 @@ BOOL LLViewerObjectList::killObject(LLViewerObject *objectp)
 
 		// When we're killing objects, all we do is mark them as dead.
 		// We clean up the dead objects later.
-
-		objectp->markDead(); // does the right thing if object already dead
+		{
+			// We are going to cleanup a lot of smart pointers to this object, they might be last,
+			// and object being NULLed while inside it's own function won't be pretty
+			// so create a pointer to make sure object will stay alive untill markDead() finishes
+			LLPointer<LLViewerObject> sp(objectp);
+			sp->markDead(); // does the right thing if object already dead
+		}
 		return TRUE;
 	}