added link to compile instructions for ubuntu

Author: olav-st

README.md

@@ -17,7 +17,7 @@ Compiling
 --------------
 ScreenCloud uses the CMake build system, start off by downloading the appropriate version for your OS from the [CMake website](http://www.cmake.org/) or your distro's repositories. After installing CMake, choose the OS you're compiling on from the the list below:
 
-* [Compiling on Ubuntu](https://github.com/olav-st/screencloud/wiki) 
+* [Compiling on Ubuntu](https://github.com/olav-st/screencloud/wiki/Compiling-on-Ubuntu) 
 * Compiling on Mac OS X (coming soonish)
 * Compiling on Windows (coming soonish)