Fix compiler warning about comparison of pointer types.

p4raw-id: //depot/perl@33596

1 files changed, 3 insertions, 1 deletions

diff --git a/sv.c b/sv.c
index 8d986b7e3a..f2b24a6787 100644
--- a/sv.c
+++ b/sv.c
@@ -516,8 +516,10 @@ static void
 do_clean_all(pTHX_ SV *const sv)
 {
     dVAR;
-    if (sv == PL_fdpid || sv == PL_strtab) /* don't clean pid table and strtab */
+    if (sv == (SV*) PL_fdpid || sv == (SV *)PL_strtab) {
+	/* don't clean pid table and strtab */
 	return;
+    }
     DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops: SV at 0x%"UVxf"\n", PTR2UV(sv)) ));
     SvFLAGS(sv) |= SVf_BREAK;
     SvREFCNT_dec(sv);