/* If there's no %ENV hash of if it's not magical, croak, because
* it probably doesn't reflect the actual environment */
if (!GvHV(PL_envgv) || !(SvRMAGICAL(GvHV(PL_envgv))
- && mg_find((SV*)GvHV(PL_envgv), PERL_MAGIC_env))) {
+ && mg_find((const SV *)GvHV(PL_envgv), PERL_MAGIC_env))) {
const bool was_tainted = PL_tainted;
const char * const name = GvENAME(PL_envgv);
PL_tainted = TRUE;