allow bind() with addr len >= sizeof(sockaddr_in)
allow bind() with addr len >= sizeof(sockaddr_in)

	. specifically, if it's struct sockaddr, which is
	  1 byte larger than sockaddr_in
	. unbreaks some applications
	. debugged and solved by Jan Wieck

veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi