ip: add OpenBSD support

ip.c already works on OpenBSD, it's just missing some headers:

diff --git a/components/ip.c b/components/ip.c
index 686344b701175f66d94c6e0510a497b1ad14472f..422b4486f7bad0a87f91fbcc1172382836580ddb 100644 (file)
--- a/components/ip.c
+++ b/components/ip.c
@@ -1,5 +1,9 @@
 /* See LICENSE file for copyright and license details. */
-#if defined(__linux__)
+#if defined(__OpenBSD__)
+#include <sys/types.h>
+#include <sys/socket.h>
+#endif
+
 #include <errno.h>
 #include <ifaddrs.h>
 #include <netdb.h>
@@ -69,4 +73,3 @@ ipv6(const char *iface)
 
        return NULL;
 }
-#endif