Update appveyor.yml

Author: unitycoder

appveyor.yml

@@ -15,9 +15,9 @@ install:
 - set path=c:\Program Files (x86)\WiX Toolset v3.11\bin;%path%
 after_build:
 - cmd: 7z a PixelArtTool.zip %APPVEYOR_BUILD_FOLDER%\PixelArtTool\bin\Release\*.exe %APPVEYOR_BUILD_FOLDER%\PixelArtTool\bin\Release\*.exe.config
-  working_directory: %APPVEYOR_BUILD_FOLDER%
+- cmd: cd %APPVEYOR_BUILD_FOLDER%
 - cmd: candle -nologo -out %APPVEYOR_BUILD_FOLDER%\PixelArtTool.wixobj %APPVEYOR_BUILD_FOLDER%\PixelArtTool\Installer.wxs
-  working_directory: %APPVEYOR_BUILD_FOLDER%
+- cmd: cd %APPVEYOR_BUILD_FOLDER%
 - cmd: light -nologo -out %APPVEYOR_BUILD_FOLDER%\PixelArtTool.msi %APPVEYOR_BUILD_FOLDER%\PixelArtTool.wixobj
 - cmd: copy %APPVEYOR_BUILD_FOLDER%\PixelArtTool.msi %APPVEYOR_BUILD_FOLDER%\PixelArtTool\bin\Release
 artifacts: