Attempt at a proper fix for attachments/orphan prims being drawn when they shouldn't be (setRegion is already called further down the update chain. Removed a excess call that probably is breaking things.).

indra/newview/llviewerobjectlist.cpp

@@ -488,7 +488,6 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 			
 			if (objectp->getRegion() != regionp)
 			{    // Object changed region, so update it
-				objectp->setRegion(regionp);
 				objectp->updateRegion(regionp); // for LLVOAvatar
 			}
 		}