git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/rdesktop/trunk@1678 423420c4-83ab-492f-b58f-81f9feb106b5
disabled by default and is enabled using argument --enable-credssp to configure script. git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/rdesktop/trunk@1676 423420c4-83ab-492f-b58f-81f9feb106b5