builtin-bundle create - use lock_file
builtin-bundle create - use lock_file

"git bundle create" left an invalid, partially written bundle if
an error occured during creation.

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