Bad separator.

Author: wasabii

src/IKVM.Clang.Sdk.Tests/ProjectTests.cs

@@ -168,6 +168,7 @@ public void CanBuildTestProject(EnvironmentPreference env, string tid, string li
             options.TargetsToBuild.Add("Clean");
             options.TargetsToBuild.Add("Build");
             options.Arguments.Add("/v:d");
+
             var result = analyzer.Build(options);
             TestContext.AddResultFile(Path.Combine(WorkRoot, $"{tid}-msbuild.binlog"));
             result.OverallSuccess.Should().BeTrue();

src/IKVM.Clang.Sdk/Sdk/targets/IKVM.Clang.Core.targets

@@ -426,7 +426,7 @@
             <_Args Include="-fms-compatibility" Condition=" '$(_MsCompatibility)' == 'true' " />
             <_Args Include="-fms-compatibility-version" Value="$(_MsCompatibilityVersion)" Separator="=" Condition=" '$(_MsCompatibilityVersion)' != '' " />
 
-            <_Args Include="-x $(_Language)" Condition=" '$(_Language)' != '' " />
+            <_Args Include="-x;$(_Language)" Condition=" '$(_Language)' != '' " />
 
             <_SystemRootDirectories Remove="@(_SystemRootDirectories)" />
             <_SystemRootDirectories Include="%(Compile.SystemRootDirectories)" />