Log Message:
Updated security/qore-ssh2-module to version 1.2 .

Changes from release notes:
* added the Ssh2Connections user module
* added the following SFTPClient methods supporting
  streams:SFTPClient::get(), SFTPClient::put()
* fixed bugs retrieving zero-length text files with
  SFTPClient::getFile(), SFTPClient::getTextFile(),
  SFTPClient::get(), and SFTPClient::retrieveFile()
* fixed bugs streaming data with SFTPClient::transferFile()
  and SFTPClient::put()
* argument error in SFTPClient disconnection with
  socket errors causes a crash
* infinite loop in SftpPoller polling when
  PO_NO_PROCESS_CONTROL is not set and no sleep
  option is given
* implement support for additional directories
  in SftpPoller
* SftpPoller::run() cannot be synchronized
* compile fixes for Solaris 10 g++
* add constructor option to SftpPoller for checking
  if polled directories are writable
* fixed a bug that could cause a crash when an error
  occurs in the SFTPClient class
* streaming from SFTP server impossible without user
  re-implementing SftpPoller methods
* fixed a bug in libssh2 library initialization
  error reporting