cmd_fetch_pack(): handle non-option arguments outside of the loop
cmd_fetch_pack(): handle non-option arguments outside of the loop

This makes it more obvious that the code is always executed unless
there is an error, and that the first initialization of nr_heads is
unnecessary.

Signed-off-by: Michael Haggerty <c24c152f145c57791e809b126db9e61bd1c1782d@alum.mit.edu>
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