Remove remaining assignments to SvCUR and SvLEN in core

Also make the macros non-lvalues under PERL_CORE

1 files changed, 1 insertions, 1 deletions

diff --git a/vutil.c b/vutil.c
index 2367489153..4314fb9280 100644
--- a/vutil.c
+++ b/vutil.c
@@ -533,7 +533,7 @@ Perl_new_version(pTHX_ SV *ver)
 	    under = ninstr(raw, raw+len, underscore, underscore + 1);
 	    if (under) {
 		Move(under + 1, under, raw + len - under - 1, char);
-		SvCUR(rv)--;
+		SvCUR_set(rv, SvCUR(rv) - 1);
 		*SvEND(rv) = '\0';
 	    }
 	    /* this is for consistency with the pure Perl class */