vl: Print -device help at most once
commit8416abb3b0f42132fc6346c439ec543635075135
authorMarkus Armbruster <armbru@redhat.com>
Fri, 13 Mar 2015 12:02:03 +0000 (13 13:02 +0100)
committerMarkus Armbruster <armbru@redhat.com>
Mon, 8 Jun 2015 17:33:20 +0000 (8 19:33 +0200)
tree557cabf5668bfe55a969e66c8944e24fb2d7e221
parent092b21aa7edf7962248e731cddaf5350d268e333
vl: Print -device help at most once

We print it once for each -device help.  Not helpful.  Stop after the
first one.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
vl.c