tcp socket connect missing null check for error
tcp-active.c line 293 and 308 gerr could be NULL, if connecting failed, then cause null pointer dereference
nice_debug ("%s: tcp-active socket connect %p %s:%u -> %s:%u: error: %s",
G_STRFUNC, sock,
local_addr_str, nice_address_get_port (&local_addr),
remote_addr_str, nice_address_get_port (&remote_addr),
gerr->message);
nice_debug ("%s: tcp-active socket bind %p %s:%u error: %s",
G_STRFUNC, sock,
local_addr_str, nice_address_get_port (&local_addr),
gerr->message);