Add t/helper/test-write-cache to .gitignore

This new binary was introduced in commit 3921a0b ("perf: add test for writing the index", 2017-08-21), but a .gitignore entry was not added for it. Add that entry. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Jonathan Tan committed Aug 28, 2017 at 13:06 UTC 20144420c1b9f7b92d2485c7f357449c3ffb3209
1 file changed +1
t/helper/.gitignore
+1
@@ -35,3 +35,4 @@
35 /test-svn-fe
36 /test-urlmatch-normalization
37 /test-wildmatch
38 +/test-write-cache