libssh2 1.2.4

This release includes the following changes:

 o 

This release includes the following bugfixes:

 o Resolve compile issues on Solaris x64 and UltraSPARC
 o Allow compiling with OpenSSL when AES isn't available
 o Fix Tru64 socklen_t compile issue with example/direct_tcpip.c

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

 Dan Fandrich, Dave McCaldon, Peter Stuge
 
        Thanks! (and sorry if I forgot to mention someone)