ConnectionExists() when first doing a proxy connecto to a HTTPS site and then
switching over to a HTTP connection to the same host.
This fix corrects the problem.
if(!check)
/* NULL pointer means not filled-in entry */
continue;
+
+ if((needle->protocol&PROT_SSL) != (check->protocol&PROT_SSL))
+ /* don't do mixed SSL and non-SSL connections */
+ continue;
+
if(!needle->bits.httpproxy || needle->protocol&PROT_SSL) {
/* The requested connection does not use a HTTP proxy or it
uses SSL. */