project: Support VS2022.

Author: Sibras

SMP/smp.props

@@ -35,6 +35,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
+    <PlatformToolset Condition="'$(VisualStudioVersion)' == '17.0'">v143</PlatformToolset>
     <PlatformToolset Condition="'$(VisualStudioVersion)' == '16.0'">v142</PlatformToolset>
     <PlatformToolset Condition="'$(VisualStudioVersion)' == '15.0'">v141</PlatformToolset>
     <PlatformToolset Condition="'$(VisualStudioVersion)' == '14.0'">v140</PlatformToolset>