Curl and libcurl 7.19.6

 Public curl releases:         112
 Command line options:         132
 curl_easy_setopt() options:   163
 Public functions in libcurl:  58
 Known libcurl bindings:       38
 Contributors:                 715

This release includes the following changes:

 o 

This release includes the following bugfixes:

 o crash on bad socket close with FTP
 o leaking cookie memory when duplicate domains or paths were used
 o build fix for Symbian
 o CURLOPT_USERPWD set to NULL clears auth credentials
 o libcurl-NSS build fix

This release includes the following known bugs:

 o see docs/KNOWN_BUGS (http://curl.haxx.se/docs/knownbugs.html)

This release would not have looked like this without help, code, reports and
advice from friends like these:

 Kamil Dudka, Caolan McNamara, Frank McGeough, Andre Guibert de Bruet,
 Mike Crowe, Claes Jakobsson

        Thanks! (and sorry if I forgot to mention someone)