Modify http_conn_parse_url to do more sanity checking. In particular,

Modify http_conn_parse_url to do more sanity checking. In particular,
a URL was being parsed "/PageNotFound.htm", which eventually causes
host_port's g_strsplit to not have two elements in the returned
array. When the code did this:

if (port) *port = parts[1] ? atoi(parts[1]) : port_tmp;

parts[1] was uninitialized with an address out of range. This caused a
segfault.