fix return statement in test_checkout_into_nonempty_dir failure case
diff --git a/regress/cmdline/checkout.sh b/regress/cmdline/checkout.sh
index abba81a..68a5558 100755
--- a/regress/cmdline/checkout.sh
+++ b/regress/cmdline/checkout.sh
@@ -489,7 +489,7 @@ function test_checkout_into_nonempty_dir {
if [ "$ret" != "0" ]; then
diff -u $testroot/content.expected $testroot/content
test_done "$testroot" "$ret"
- return
+ return 1
fi
echo 'M alpha' > $testroot/stdout.expected