net/udns patch

[Edgar Pettijohn <edgar%pettijohn-web.com@localhost>]

Patch to build on OpenBSD. Originally sent to the maintainer but the
mail was rejected.

--- rblcheck.c  Fri Nov 13 15:30:56 2020
+++ rblcheck.c.new      Fri Nov 13 15:31:34 2020
@@ -30,6 +30,9 @@
 #ifdef WINDOWS
 # include <winsock2.h>
 #else
+#ifdef __OpenBSD__
+# include <sys/select.h>
+#endif
 # include <unistd.h>
 # include <sys/types.h>
 # include <sys/socket.h>


Thanks,

Edgar