Full install of gstreamer

.appveyor.yml

@@ -31,7 +31,7 @@ install:
       Write-Host "Downloading..."
       (New-Object Net.WebClient).DownloadFile('https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/gstreamer-1.0-x86-1.5.2.msi', $msiPath)
       Write-Host "Installing..."
-      cmd /c start /wait msiexec /package $msiPath /passive
+      cmd /c start /wait msiexec /package $msiPath /passive ADDLOCAL=ALL
       Write-Host "Installed" -ForegroundColor Green
   - ps: |
       Write-Host "Installing GStreamer dev..." -ForegroundColor Cyan
@@ -39,7 +39,7 @@ install:
       Write-Host "Downloading..."
       (New-Object Net.WebClient).DownloadFile('https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/gstreamer-1.0-devel-x86-1.5.2.msi', $msiPath)
       Write-Host "Installing..."
-      cmd /c start /wait msiexec /package $msiPath /passive
+      cmd /c start /wait msiexec /package $msiPath /passive ADDLOCAL=ALL
       Write-Host "Installed" -ForegroundColor Green
 
 build_script: