Bug in libwebsocket library on solving urls.

[abpprkonsalting]

Resolve the bug that occurs in the libwebsocket library, when the address of the websocket server that is passed to the "libwebsocket_client_connect" function is a network name (not an ip address) and the DNS server is not accessible, libwebsocket can not resolve the IP address and after 20 seconds
the following error: "segfault at 1c ip b7610787 sp bf834a80 error 4 in libwebsockets.so.4.0.0 [b760d000 + 10000]" aborting the splashd program.

possible solution: To resolve the IP address from the variable "wsk_server_address" before calling "libwebsocket_client_connect" so that we always have an IP address, never an url. This is done if necessary, if the variable "wsk_server_address" already have an IP address, this is not necessary.