more whitespace fixing

appveyor.yml

@@ -1,19 +1,19 @@
   branches:
     only:
       - master
-  
+
   version: 5.1.{build}
-  
+
   os: Visual Studio 2015
   configuration: Debug
-  
+ 
   assembly_info:
     patch: true
     file: AssemblyInfo.*
     assembly_version: '{version}'
     assembly_file_version: '{version}'
     assembly_informational_version: '{version}'
-	
+
   before_build:
     - nuget restore
 
@@ -29,4 +29,4 @@
   artifacts:
     artifacts:
       - path: '**\WpfDesigner.*.nupkg'
-        name: NuGet
+        name: NuGet