server-info: skip empty lines.
server-info: skip empty lines.

Now we allow an empty line in objects/info/packs file, recognize
that and stop complaining.

Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

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