Log Message:
Update synergy to 1.3.1.  Patches provided by Kibum Han.

Changes:
    * Hot key screen switching now restores last cursor position
    * Fixed loss of hot keys when reloading configuration
    * Fixed autorepeating on win32 (no longer sending repeating key releases)
    * Fixed autorepeating on X11 (non-repeating keys were repeating)
    * Fixed AltGr issues on X11
    * Fixed modifier mapping bug on OS X client (caused wrong characters)
    * Fixed one way for modifiers to get stuck active on all platforms
    * Fixed bugs in win32 GUI
    * Removed alloca() from unix code (should fix FreeBSD build)
    * Added more debugging output for network problems
    * Fixed failure to detect some errors on X11