[ci] Add support for MSBUILD builds on windows

This adds msbuild job for VS2019 (x64)

* .gitlab-ci.yml: Added "windows msbuild vs2019 amd64"

.gitlab-ci.yml

@@ -75,6 +75,21 @@ variables:
         $env:MESON_WINDOWS_TESTS"
 
 
+.build windows msbuild:
+  extends: '.build windows common'
+  variables:
+    # Make sure any failure in PowerShell scripts is fatal.
+    ErrorActionPreference: 'Stop'
+    WarningPreference: 'Stop'
+  script:
+    - git submodule update --init --recursive
+    - cmd.exe /C "C:\BuildTools\Common7\Tools\VsDevCmd.bat -host_arch=amd64 -arch=$env:ARCH &&
+      MSBUILD.exe -t:Rebuild
+               -p:Configuration=Debug
+               -p:Platform=$env:PLATFORM
+               -p:UserDefines=FT_DEBUG_LOGGING
+               MSBuild.sln"
+
 # Format of job names:
 # <OS> <Build-Tool> <Build-Params> <Architecture>
 
@@ -100,6 +115,11 @@ windows meson vs2019 amd64 uwp:
     VS_UWP: '-app_platform=UWP'
     MESON_ARGS_UWP: '--cross-file uwp-crossfile.meson -Dc_winlibs="windowsapp.lib"'
 
+windows msbuild vs2019 amd64:
+  extends: '.build windows msbuild'
+  variables:
+    ARCH: 'amd64'
+    PLATFORM: 'x64'
 # Linux Jobs.
 #
 # Jobs with "libs" in the name force-enable libraries.