cvsimport: cvsps should be quiet too

Tell cvsps to be quiet, unless we've been told to be verbose.

Signed-off-by: Martin Langhoff <martin@catalyst.net.nz>
Signed-off-by: Junio C Hamano <junkio@cox.net>

git-cvsimport.perl

@@ -491,6 +491,7 @@ unless($pid) {
 	my @opt;
 	@opt = split(/,/,$opt_p) if defined $opt_p;
 	unshift @opt, '-z', $opt_z if defined $opt_z;
+	unshift @opt, '-q'         unless defined $opt_v;
 	unless (defined($opt_p) && $opt_p =~ m/--no-cvs-direct/) {
 		push @opt, '--cvs-direct';
 	}