t0022: replace non-portable literal CR

We shouldn't have literal CR's in tests as they aren't portable.
Signed-off-by: NStephen Boyd <bebarino@gmail.com>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

t/t0022-crlf-rename.sh

@@ -12,7 +12,7 @@ test_expect_success setup '
 	test_tick &&
 	git commit -m Initial &&
 
-	sed -e "s/\$/
/" "$TEST_DIRECTORY"/t0022-crlf-rename.sh >elpmas &&
+	append_cr <"$TEST_DIRECTORY"/t0022-crlf-rename.sh >elpmas &&
 	git add elpmas &&
 	rm -f sample &&