Put in second build step

Author: JakeGinnivan

appveyor.yml

@@ -11,8 +11,8 @@ build_script:
   - cmd: nuget restore
 
   - cmd: msbuild GitVersion.sln "/p:Configuration=%CONFIGURATION%;Platform=%PLATFORM%"
-  
   - ps: .\NuGetCommandLineBuild\Tools\GitVersion.exe /l console /output buildserver /updateAssemblyInfo
+  - cmd: msbuild GitVersion.sln "/p:Configuration=%CONFIGURATION%;Platform=%PLATFORM%"
 
   - cmd: appveyor PushArtifact "NuGetExeBuild/GitVersion.Portable.%GitVersion_NuGetVersion%.nupkg"