Ignore test-ctype

Signed-off-by: Benjamin Kramer <benny.kra@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

.gitignore

@@ -144,6 +144,7 @@ git-core-*/?*
 gitk-wish
 gitweb/gitweb.cgi
 test-chmtime
+test-ctype
 test-date
 test-delta
 test-dump-cache-tree