Fix t5516 to create test repo without hooks

Otherwise the hooks will be executed on cygwin and the test will fail
because of the contributed hooks.

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t5516-fetch-push.sh

@@ -11,7 +11,8 @@ mk_empty () {
 	mkdir testrepo &&
 	(
 		cd testrepo &&
-		git init
+		git init &&
+		mv .git/hooks .git/hooks-disabled
 	)
 }