Fix another Win32/VC6 compiler warning caused by #33231

(missed by #33336--this one only occurs in debug builds)

p4raw-id: //depot/perl@33385

diff --git a/sv.c b/sv.c
index bde31e1..49dc3f5 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -407,7 +407,7 @@ S_visit(pTHX_ SVFUNC_t f, const U32 flags, const U32 mask)
 /* called by sv_report_used() for each live SV */
 
 static void
-do_report_used(pTHX_ SV *sv)
+do_report_used(pTHX_ SV *const sv)
 {
     if (SvTYPE(sv) != SVTYPEMASK) {
        PerlIO_printf(Perl_debug_log, "****\n");