Bugfix.

* mfd/bi_dns.m4 (dns_getname): Missed call to MF_OBSTACK_BEGIN.
* mfd/prog.c (runtime_stack_trace): Prevent coredump on arriving to
pc == 0.

1 files changed, 1 insertions, 0 deletions

diff --git a/mfd/bi_dns.m4 b/mfd/bi_dns.m4
index a3a6ef1..6d071e7 100644
--- a/mfd/bi_dns.m4
+++ b/mfd/bi_dns.m4
@@ -131,6 +131,7 @@ MF_DEFUN(dns_getname, STRING, STRING ipstr)
                 
                 qsort(names, ncount, sizeof names[0], hostname_cmp);
 
+                MF_OBSTACK_BEGIN();
                 for (i = 0; i < ncount; i++) {
                         if (i > 0)
                                 MF_OBSTACK_1GROW(' ');