RELEASE-NOTES: synced with 858930c

RELEASE-NOTES

@@ -13,13 +13,33 @@ This release includes the following bugfixes:
  o Let mansyntax.sh work regardless of where it is called from
  o Init HMAC_CTX before using it
  o direct_tcpip: Fixed channel write
+ o WinCNG: fixed backend breakage
+ o OpenSSL: caused by introducing libssh2_hmac_ctx_init
+ o userauth.c: fix possible dereferences of a null pointer
+ o wincng: Added explicit clear memory feature to WinCNG backend
+ o openssl.c: fix possible segfault in case EVP_DigestInit fails
+ o wincng: fix return code of libssh2_md5_init()
+ o kex: do not ignore failure of libssh2_sha1_init()
+ o scp: fix that scp_send may transmit not initialised memory [3]
+ o scp.c: improved command length calculation
+ o nonblocking examples: fix warning about unused tvdiff on Mac OS X
+ o configure: make clear-memory default but WARN if backend unsupported
+ o OpenSSL: Enable use of OpenSSL that doesn't have DSA
+ o OpenSSL: Use correct no-blowfish #define
+ o kex: fix libgcrypt memory leaks of bignum [2]
+ o libssh2_channel_open: more detailed error message
+ o wincng: fixed memleak in (block) cipher destructor
+
 
 This release would not have looked like this without help, code, reports and
 advice from friends like these:
 
-  Alexander Lamaison, Daniel Stenberg, David Calavera, Jakob Egger,
-  Viktor Szakáts, Will Cosgrove, Joe Turpin
+  Alexander Lamaison, Daniel Stenberg, David Calavera, Hannes Domani,
+  Jakob Egger, Joe Turpin, Marc Hoersken, Viktor Szakáts, Will Cosgrove,
+  (9 contributors)
 
         Thanks! (and sorry if I forgot to mention someone)
 
  [1] = https://github.com/bagder/libssh2/issues/1
+ [2] = https://trac.libssh2.org/ticket/168
+ [3] = https://trac.libssh2.org/ticket/244