t7502-commit.sh: fix a broken and-chain

Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t7502-commit.sh

diff --git a/t/t7502-commit.sh b/t/t7502-commit.sh
index 051489e..2e0d557 100755
--- a/t/t7502-commit.sh
+++ b/t/t7502-commit.sh
@@ -370,7 +370,7 @@
 EOF
 
 test_expect_success !AUTOIDENT 'do not fire editor when committer is bogus' '
-	>.git/result
+	>.git/result &&
 	>expect &&
 
 	echo >>negative &&