gv.h: Use PERL_BITFIELD32 for the bitfield

See <https://rt.perl.org/Ticket/Display.html?id=15667#txn-1310207>.

diff --git a/gv.h b/gv.h
index cf096c3..1d59154 100644 (file)
--- a/gv.h
+++ b/gv.h
@@ -18,8 +18,8 @@ struct gp {
     AV *       gp_av;          /* array value */
     CV *       gp_form;        /* format value */
     GV *       gp_egv;         /* effective gv, if *glob */
-    U32                gp_line:31;     /* line first declared at (for -w) */
-    U32                gp_flags:1;
+    PERL_BITFIELD32 gp_line:31;        /* line first declared at (for -w) */
+    PERL_BITFIELD32 gp_flags:1;
     HEK *      gp_file_hek;    /* file first declared in (for -w) */
 };