git-resolve: dying is good, not showing help is bad.
git-resolve: dying is good, not showing help is bad.

Recent change to make sure we get commit, not tag, accidentally
removed its feature of giving a usage help message when it died.

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