Update appveyor.yml

Author: unitycoder

appveyor.yml

@@ -12,9 +12,13 @@ build:
 install:
 - set path=c:\Program Files (x86)\WiX Toolset v3.11\bin;%path%
 after_build:
+- ps: |
+        $guid = [System.Guid]::NewGuid().ToString().ToUpper()
+        Write-Host "Generated GUID: $guid"
+        (Get-Content C:\projects\pixelarttool\PixelArtTool\Installer.wxs) -replace 'PUT-GUID-HERE', $guid | Set-Content C:\projects\pixelarttool\PixelArtTool\Installer.wxs
 - cmd: 7z a PixelArtTool.zip %APPVEYOR_BUILD_FOLDER%\PixelArtTool\bin\Release\*.exe %APPVEYOR_BUILD_FOLDER%\PixelArtTool\bin\Release\*.exe.config
 - cmd: cd %APPVEYOR_BUILD_FOLDER%
-- cmd: candle -nologo -out %APPVEYOR_BUILD_FOLDER%\PixelArtTool.wixobj C:\projects\pixelarttool\Installer.wxs
+- cmd: candle -nologo -out %APPVEYOR_BUILD_FOLDER%\PixelArtTool.wixobj C:\projects\pixelarttool\PixelArtTool\Installer.wxs
 - 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