bump: start working toward 7.50.2

Curl and libcurl 7.50.1

 Public curl releases:         157

 Public curl releases:         158

 Command line options:         185

 curl_easy_setopt() options:   224

 Public functions in libcurl:  61

 Contributors:                 1418

 Contributors:                 1425

This release includes the following bugfixes:

 o TLS: switch off SSL session id when client cert is used [7]

 o TLS: only reuse connections with the same client cert [8]

 o curl_multi_cleanup: clear connection pointer for easy handles [9]

 o include the CURLINFO_HTTP_VERSION(3) man page into the release tarball

 o include the http2-server.pl script in the release tarball

 o test558: fix test by stripping file paths from FD lines

 o spnego: Corrected miss-placed * in Curl_auth_spnego_cleanup() declaration

 o tests: Fix for http/2 feature [1]

 o cmake: Fix for schannel support [2]

 o curl.h: make public types void * again [3]

 o win32: fix a potential memory leak in Curl_load_library [4]

 o travis: fix OSX build by re-installing libtool [5]

 o mbedtls: Fix debug function name [6]

 o

This release includes the following known bugs:

This release would not have looked like this without help, code, reports and

advice from friends like these:

  Alain Danteny, Bru Rom, Dan Fandrich, Daniel Stenberg, Eric Rescorla,

  Fernando Muñoz, Kamil Dudka, Marcelo Echeverria, Martin Vejnár,

  Patrick Monnerat, Paul Howarth, Peter Frühberger, Ray Satiro, Sergei Nikulov,

  Steve Holme, Thomas Glanzmann, Viktor Szakáts, Yonggang Luo,

  (18 contributors)

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

References to bug reports and discussions on issues:

 [1] = https://curl.haxx.se/mail/lib-2016-07/0070.html

 [2] = https://curl.haxx.se/bug/?i=917

 [3] = https://curl.haxx.se/bug/?i=926

 [4] = https://curl.haxx.se/bug/?i=938

 [5] = https://curl.haxx.se/bug/?i=939

 [6] = https://curl.haxx.se/mail/lib-2016-08/0001.html

 [7] = https://curl.haxx.se/docs/adv_20160803A.html

 [8] = https://curl.haxx.se/docs/adv_20160803B.html

 [9] = https://curl.haxx.se/docs/adv_20160803C.html

 [1] = https://curl.haxx.se/bug/?i=

/* This is the version number of the libcurl package from which this header

   file origins: */

#define LIBCURL_VERSION "7.50.1-DEV"

#define LIBCURL_VERSION "7.50.2-DEV"

/* The numeric version number is also available "in parts" by using these

   defines: */

#define LIBCURL_VERSION_MAJOR 7

#define LIBCURL_VERSION_MINOR 50

#define LIBCURL_VERSION_PATCH 1

#define LIBCURL_VERSION_PATCH 2

/* This is the numeric version of the libcurl version number, meant for easier

   parsing and comparions by programs. The LIBCURL_VERSION_NUM define will

   CURL_VERSION_BITS() macro since curl's own configure script greps for it

   and needs it to contain the full number.

*/

#define LIBCURL_VERSION_NUM 0x073201

#define LIBCURL_VERSION_NUM 0x073202

/*

 * This is the date and time when the full source package was created. The