use a pthread-friendly resolver way.

filesystems/openafs-devel/patches/patch-src-auth-cellconfig.c

@@ -0,0 +1,53 @@
+$NetBSD: patch-src-auth-cellconfig.c,v 1.1 2013/01/07 00:03:16 christos Exp $
+
+--- src/auth/cellconfig.c.orig	2012-04-22 23:40:23.000000000 -0400
++++ src/auth/cellconfig.c	2013-01-06 18:00:28.000000000 -0500
+@@ -976,6 +976,11 @@
+     int pass = 0;
+     char *IANAname = (char *) afsconf_FindIANAName(service);
+     int tservice = afsconf_FindService(service);
++#ifdef __NetBSD__
++    res_state res;
++#else
++#define res (&_res)
++#endif
+ 
+     realCellName = NULL;
+ 
+@@ -994,15 +999,18 @@
+ 	return AFSCONF_NOTFOUND;	/* service not found */
+ 
+ #ifdef HAVE_RES_RETRANSRETRY
+-    if ((_res.options & RES_INIT) == 0 && res_init() == -1)
++#ifdef __NetBSD__
++    res = __res_get_state();
++#else
++    if ((res->options & RES_INIT) == 0 && res_init() == -1)
+       return (0);
+-
++#endif
+     /*
+      * Rx timeout is typically 56 seconds; limit user experience to
+      * similar timeout
+      */
+-    _res.retrans = 18;
+-    _res.retry = 3;
++    res->retrans = 18;
++    res->retry = 3;
+ #endif
+ 
+  retryafsdb:
+@@ -1030,9 +1038,13 @@
+     }
+     if ((code < 0) || (code >= fullnamelength))
+ 	goto findservererror;
++#ifdef __NetBSD__
++    len = res_nsearch(res, dotcellname, C_IN, dnstype, answer, sizeof(answer));
++#else
+     LOCK_GLOBAL_MUTEX;
+     len = res_search(dotcellname, C_IN, dnstype, answer, sizeof(answer));
+     UNLOCK_GLOBAL_MUTEX;
++#endif
+ 
+     if (len < 0) {
+ 	if (try_init < 1) {