vxs.inc: use new SvPVCLEAR and constant string friendly macros

diff --git a/vxs.inc b/vxs.inc
index a047b2c..d246837 100644 (file)
--- a/vxs.inc
+++ b/vxs.inc
@@ -162,7 +162,7 @@ VXS(universal_version)
        }
 
        if ( VCMP( req, sv ) > 0 ) {
-           if ( hv_exists(MUTABLE_HV(SvRV(req)), "qv", 2 ) ) {
+           if ( hv_existss(MUTABLE_HV(SvRV(req)), "qv") ) {
                req = VNORMAL(req);
                sv  = VNORMAL(sv);
            }