Subject: [bug#60763] [PATCH] tests: change `sort|uniq` to `sort -u`

From: Karl Berry <[email-masked]>
Date: Fri, 13 Jan 2023 15:36:35 -0700

-	 done | sed 's,^\./,,' | sort | uniq >$(am__tfs); \
    +	 done | sed 's,^\./,,' | sort -u >$(am__tfs); \

Sure, looks good, please commit. (60764 looks like a dup?)