t5570: Update for symref capability
t5570: Update for symref capability

git-daemon now uses the symref capability to send the correct HEAD
reference, so the test for that in t5570 now passes.

Signed-off-by: Brian Gernhardt <760e7dab2836853c63805033e514668301fa9c47@gernhardtsoftware.com>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git