[ccnet/CruiseControl.NET] 0fa504: fix build for .Net 4.5 conversion

[RubenWillems]

Branch: refs/heads/master
Home: https://github.com/ccnet/CruiseControl.NET
Commit: 0fa50489a5b3d10999fc076ca0d799e9d81fcf47
https://github.com/ccnet/CruiseControl.NET/commit/0fa50489a5b3d10999fc076ca0d799e9d81fcf47
Author: RubenWillems <ruben....@gmail.com>
Date: 2014-07-05 (Sat, 05 Jul 2014)

Changed paths:
M project/MSBuildLogger/MSBuildLogger.csproj

Log Message:
-----------
fix build for .Net 4.5 conversion