Fix "diff-pr.sh" edge case

diff-pr.sh

@@ -198,7 +198,7 @@ copy-tar() {
 			local globbed
 			# "find: warning: -path ./xxx/ will not match anything because it ends with /."
 			local findGlobbedPath="${f%/}"
-			findGlobbedPath="${f#./}"
+			findGlobbedPath="${findGlobbedPath#./}"
 			globbed=( $(cd "$dDir" && find -path "./$findGlobbedPath") )
 			if [ "${#globbed[@]}" -eq 0 ]; then
 				globbed=( "$f" )