t/lib-cvs.sh: avoid redundant use of cat

Signed-off-by: Beat Bolli <[email protected]>
Acked-by: Taylor Blau <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: Beat Bolli

t/lib-cvs.sh

@@ -71,8 +71,8 @@ test_cmp_branch_tree () {
 		find . -type d -name .git -prune -o -type f -print
 	) | sort >module-git-"$1".list &&
 	test_cmp module-cvs-"$1".list module-git-"$1".list &&
-	cat module-cvs-"$1".list | while read f
+	while read f
 	do
 		test_cmp_branch_file "$1" "$f" || return 1
-	done
+	done <module-cvs-"$1".list
 }