do not segfault if make_cache_entry failed

diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index 1c857cf4ab6e359d7009d2c6b5018bb61c916e93..d098a01ba30fa08ae696085164e7b77453f8715a 100755 (executable)
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-test_description='git-send-email'
+test_description='git send-email'
 . ./test-lib.sh
 
 PROG='git send-email'