fix warning on earlier perls

diff --git a/lib/Class/MOP/Method/Meta.pm b/lib/Class/MOP/Method/Meta.pm
index a22ac55..7366c82 100644 (file)
--- a/lib/Class/MOP/Method/Meta.pm
+++ b/lib/Class/MOP/Method/Meta.pm
@@ -11,7 +11,7 @@ our $VERSION   = '1.08';
 $VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
-use constant DEBUG_NO_META => $ENV{DEBUG_NO_META};
+use constant DEBUG_NO_META => $ENV{DEBUG_NO_META} ? 1 : 0;
 
 use base 'Class::MOP::Method';