Added check for <arpa/inet.h>

configure.in

@@ -1547,7 +1547,8 @@ if test $am_cv_sys_posix_termios = yes ; then
 fi
 
 AC_CHECK_HEADERS(	\
-	arpa/nameser.h	\
+	arpa/inet.h		\
+	arpa/nameser.h		\
 	crypt.h			\
 	errno.h			\
 	fcntl.h			\

include/portable.h.in

@@ -342,6 +342,9 @@
 /* Define if you have the waitpid function.  */
 #undef HAVE_WAITPID
 
+/* Define if you have the <arpa/inet.h> header file.  */
+#undef HAVE_ARPA_INET_H
+
 /* Define if you have the <arpa/nameser.h> header file.  */
 #undef HAVE_ARPA_NAMESER_H