completion: simplify __git_complete_revlist_file
completion: simplify __git_complete_revlist_file

Use new __gitcomp_nl; this is the last place that uses COMPREPLY and
compgen directly outside __gitcomp* functions.

Signed-off-by: Felipe Contreras <de77a8b9cd239b204c19c52ed62e48ab47243362@gmail.com>
Acked-by: SZEDER Gábor <46692b1f0516358b02a6405518c0a52aa8fb3e94@ira.uka.de>
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