Merge pull request #344 from swiftlang/egorzhdan/cxx-resilient

[cxx-interop] Include swiftinterface files for Cxx and CxxStdlib

Author: egorzhdan

platforms/Windows/sdk/sdk.wxs

@@ -999,6 +999,9 @@
       <Component>
         <File Source="$(SDK_ROOT)\usr\lib\swift\windows\Cxx.swiftmodule\$(ArchTriple).swiftdoc" />
       </Component>
+      <Component>
+        <File Source="$(SDK_ROOT)\usr\lib\swift\windows\Cxx.swiftmodule\$(ArchTriple).swiftinterface" />
+      </Component>
       <Component>
         <File Source="$(SDK_ROOT)\usr\lib\swift\windows\Cxx.swiftmodule\$(ArchTriple).swiftmodule" />
       </Component>
@@ -1011,6 +1014,9 @@
       <Component>
         <File Source="$(SDK_ROOT)\usr\lib\swift\windows\CxxStdlib.swiftmodule\$(ArchTriple).swiftdoc" />
       </Component>
+      <Component>
+        <File Source="$(SDK_ROOT)\usr\lib\swift\windows\CxxStdlib.swiftmodule\$(ArchTriple).swiftinterface" />
+      </Component>
       <Component>
         <File Source="$(SDK_ROOT)\usr\lib\swift\windows\CxxStdlib.swiftmodule\$(ArchTriple).swiftmodule" />
       </Component>