Fix cvsimport warning when called without --no-cvs-direct

Perl was warning that $opt_p was undefined in that case.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index f7c3a51..f00f759 100755 (executable)
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
@@ -487,7 +487,7 @@ unless($pid) {
        my @opt;
        @opt = split(/,/,$opt_p) if defined $opt_p;
        unshift @opt, '-z', $opt_z if defined $opt_z;
-       unless ($opt_p =~ m/--no-cvs-direct/) {
+       unless (defined($opt_p) && $opt_p =~ m/--no-cvs-direct/) {
                push @opt, '--cvs-direct';
        }
        exec("cvsps",@opt,"-u","-A",'--root',$opt_d,$cvs_tree);