Add includes necessary to build the code on FreeBSD.

Author: Antonin Houska

src/include/wbsocket.h

@@ -1,6 +1,8 @@
 #ifndef	_WB_SOCKET_H
 #define _WB_SOCKET_H 1
 
+#include <sys/socket.h>
+
 #include "wbglobals.h"
 #include "wbproto.h"
 #include "wbconfig.h"

src/wbsocket.c

@@ -4,6 +4,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <netdb.h>
+#include <netinet/in.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <string.h>