convert: remove duplicated GetOptions() call

We only need to parse the command-line once.

diff --git a/script/public-inbox-convert b/script/public-inbox-convert
index 3182410e0a6f0e5037bc41b3b0a8bd040389f072..9bee5e7a323b437eaa0c6077458879a0b2464301 100755 (executable)
--- a/script/public-inbox-convert
+++ b/script/public-inbox-convert
@@ -20,7 +20,6 @@ my %opts = (
        '--index!' => \$index,
 );
 GetOptions(%opts) or die "bad command-line args\n$usage";
-GetOptions(%opts) or die "bad command-line args\n$usage";
 my $old_dir = shift or die $usage;
 my $new_dir = shift or die $usage;
 die "$new_dir exists\n" if -d $new_dir;