Revert "Remove support for MSVC"

sky/engine/platform/fonts/GlyphPage.h

Index: sky/engine/platform/fonts/GlyphPage.h
diff --git a/sky/engine/platform/fonts/GlyphPage.h b/sky/engine/platform/fonts/GlyphPage.h
index e835629e961f1a18fb6214009d0a9c9f1bc64bb9..ae7ae6d1d2668448e2490e0a053c8167c14d9d80 100644
--- a/sky/engine/platform/fonts/GlyphPage.h
+++ b/sky/engine/platform/fonts/GlyphPage.h
@@ -56,6 +56,11 @@ struct GlyphData {
     const SimpleFontData* fontData;
 };
 
+#if COMPILER(MSVC)
+#pragma warning(push)
+#pragma warning(disable: 4200) // Disable "zero-sized array in struct/union" warning
+#endif
+
 // A GlyphPage contains a fixed-size set of GlyphData mappings for a contiguous
 // range of characters in the Unicode code space. GlyphPages are indexed
 // starting from 0 and incrementing for each 256 glyphs.
@@ -213,6 +218,10 @@ private:
     const SimpleFontData* m_perGlyphFontData[0];
 };
 
+#if COMPILER(MSVC)
+#pragma warning(pop)
+#endif
+
 } // namespace blink
 
 #endif // GlyphPage_h