Silence util.c compiler warning from win32 smokes

diff --git a/util.c b/util.c
index 03e17b3..22940dd 100644 (file)
--- a/util.c
+++ b/util.c
@@ -3844,7 +3844,7 @@ Perl_my_fflush_all(pTHX)
 }
 
 void
-Perl_report_wrongway_fh(pTHX_ const GV *gv, char have)
+Perl_report_wrongway_fh(pTHX_ const GV *gv, const char have)
 {
     if (ckWARN(WARN_IO)) {
        const char * const name