do not segfault if make_cache_entry failed

diff --git a/t/t7610-mergetool.sh b/t/t7610-mergetool.sh
index 9285071c473dcfe7d37845d01ba20226b5ab585d..09fa5f115c9fabe1fec60a5597439b2c7f9ded6d 100755 (executable)
--- a/t/t7610-mergetool.sh
+++ b/t/t7610-mergetool.sh
@@ -3,7 +3,7 @@
 # Copyright (c) 2008 Charles Bailey
 #
 
-test_description='git-mergetool
+test_description='git mergetool
 
 Testing basic merge tool invocation'