Fix vim modeline for these files

src/adns.c

@@ -1382,4 +1382,4 @@ bd::String dns_find_ip(bd::Array<bd::String> ips, int af_type) {
     }
 	return bd::String();
 }
-/* vim: set sts=4 sw=4 ts=4 noet: */
+/* vim: set sts=0 sw=8 ts=8 noet: */

src/binds.c

@@ -458,4 +458,4 @@ void rem_builtins(const char *table_name, cmd_t *cmds)
 		bind_entry_del(table, -1, cmds->name, name, NULL);
 	}
 }
-/* vim: set sts=4 sw=4 ts=4 noet: */
+/* vim: set sts=0 sw=8 ts=8 noet: */

src/egg_timer.c

@@ -319,4 +319,4 @@ int timer_info(int id, char **name, egg_timeval_t *initial_len, egg_timeval_t *t
         return(0);
 }
 
-/* vim: set sts=4 sw=4 ts=4 noet: */
+/* vim: set sts=0 sw=8 ts=8 noet: */

src/socket.c

@@ -302,4 +302,4 @@ int get_addr(const char *ip, my_addr_t *addr)
 
   return 0;
 }
-/* vim: set sts=4 sw=4 ts=4 noet: */
+/* vim: set sts=0 sw=8 ts=8 noet: */