Fixed regression in min_skirt_length. Includes regression test. #2337

t/skirt_brim.t

@@ -1,4 +1,4 @@
-use Test::More tests => 4;
+use Test::More tests => 5;
 use strict;
 use warnings;
 
@@ -124,4 +124,11 @@ use Slic3r::Test;
     ok $skirt_length > $hull_perimeter, 'skirt lenght is large enough to contain object with support';
 }
 
+{
+    my $config = Slic3r::Config->new_from_defaults;
+    $config->set('min_skirt_length', 20);
+    my $print = Slic3r::Test::init_print('20mm_cube', config => $config);
+    ok Slic3r::Test::gcode($print), 'no crash when using min_skirt_length';
+}
+
 __END__