[CMake][Win] Build StructuredExceptionHandlerSuppressor.cpp and makesafeseh.asm only for AppleWin StructuredExceptionHandlerSuppressor is used only by AppleWin port (in Source/WebCore/platform/graphics/ca/win/LayerChangesFlusher.cpp) makesafeseh.asm causes building problem for WinCairo because it is using OBJECT library type for WebCore.
Created attachment 405009 [details] Patch
Comment on attachment 405009 [details] Patch R=me.
Thank you for the review. Committed r264786: <https://trac.webkit.org/r264786>