project: Add appveyor VS2022 build.

Author: Sibras

SMP/appveyor.yml

@@ -20,6 +20,8 @@ environment:
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
   - MSVC_VER: 16
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+  - MSVC_VER: 17
+    APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
 
 install:
 # Install GitLink
@@ -32,7 +34,9 @@ before_build:
 
 # Setup msvc environment for required compiler version (specified by MSVC_VER)
 - ps: >-
-    if ($env:MSVC_VER -eq 16) {
+    if ($env:MSVC_VER -eq 17) {
+        $env:VCVARS="C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build\vcvarsall.bat"
+    } elseif ($env:MSVC_VER -eq 16) {
         $env:VCVARS="C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvarsall.bat"
     } elseif ($env:MSVC_VER -eq 15) {
         $env:VCVARS="C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsall.bat"
@@ -104,7 +108,9 @@ before_build:
 # Set Targets path so that gitlink works correctly
 - ps: $env:MSBUILDDIR=((Get-Command msbuild.exe).Path | Split-Path -parent)
 - ps: >-
-    if ($env:MSVC_VER -eq 16) {
+    if ($env:MSVC_VER -eq 17) {
+        $env:VCTargetsPath="$env:MSBUILDDIR\..\..\..\Microsoft\VC\v170\"
+    } elseif ($env:MSVC_VER -eq 16) {
         $env:VCTargetsPath="$env:MSBUILDDIR\..\..\Microsoft\VC\v160\"
     } elseif ($env:MSVC_VER -eq 15) {
         $env:VCTargetsPath="$env:MSBUILDDIR\..\..\..\Common7\IDE\VC\VCTargets"