The `port` option is converted from unsigned short integer to
network byte order twice. Unfortunately the 2nd conversion
reverses the 1st one.

Example:

	#include <stdio.h>
	#include <arpa/inet.h>
	#include <stdlib.h>

	int main()
	{
	    printf("%d\n", htons(atoi("1234"))); /* 53764 */
	    printf("%d\n", htons(htons(atoi("1234")))); /* 1234 */
	    return 0;
	}
Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>