fix channel performance by changing the window len.

git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@179 7dcaeef0-15fb-0310-b436-a5af3365683c

libssh/channels.c

@@ -26,8 +26,9 @@ MA 02111-1307, USA. */
 
 #include "libssh/priv.h"
 #include "libssh/ssh2.h"
-#define WINDOWLIMIT 2048
+
-#define WINDOWBASE 64000
+#define WINDOWBASE 128000
+#define WINDOWLIMIT (WINDOWBASE/2)
 
 /** \defgroup ssh_channel SSH Channels
  * \brief functions that manage a channel