Fix double slash when rejoining USTAR prefix and name - #131793

Fix double slash when rejoining USTAR prefix and name#131793

alinpahontu2912 with Copilot wants to merge 2 commits into

maindotnet/runtime:mainfrom

copilot/reduce-per-entry-allocation-in-ustar-attribute-readotnet/runtime:copilot/reduce-per-entry-allocation-in-ustar-attribute-reaCopy head branch name to clipboard