Index: dns.c
===================================================================
RCS file: /usr/cvsroot/asterisk/dns.c,v
retrieving revision 1.10
diff -r1.10 dns.c
171a172
> 	static int is_init = 0;
174c175,176
< 	res_ninit(&dnsstate);
---
> 	if (!is_init)
> 		res_ninit(&dnsstate);
178c180,181
< 	res_init();
---
> 	if (!is_init)
> 		res_init();
180a184
> 	is_init = 1;
193,198c197
< #ifdef HAS_RES_NINIT
< 	res_nclose(&dnsstate);
< #else
< #ifndef __APPLE__
< 	res_close();
< #endif
---
> #ifndef HAS_RES_NINIT