upper control arm bracket

Hello, Barnes 4wd (which makes amazing products and totally happy with them as a customer) is out of stock in the bracket for the upper control arm at least 40 days more (later september according to the guy in the phone), mine can hold with ease in the street for those 40 days, but I've...

So crawling under the TJ tho afternoon looking for a mysterious rattle (I think was a lose fuel line) I noticed some cracks in my rear upper control arm to frame brackets. Question is do I just clean them up an run a weld over them or do I need to reinforce an box them. Open to input. @ mrblaine?