Clear up most of the VC6 compiler warnings in the following smoke:

http://www.nntp.perl.org/group/perl.daily-build.reports/39733

p4raw-id: //depot/perl@28626

1 files changed, 1 insertions, 0 deletions

diff --git a/doio.c b/doio.c
index 809459feb9..585eb545fb 100644
--- a/doio.c
+++ b/doio.c
@@ -1287,6 +1287,7 @@ Perl_my_stat(pTHX)
                 return (PL_laststatval = PerlLIO_fstat(dirfd(IoDIRP(io)), &PL_statcache));
 #else
                 Perl_die(aTHX_ PL_no_func, "dirfd");
+                NORETURN_FUNCTION_END;
 #endif
             } else {
                 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))