SSE2 implementation of S32_D565_Opaque

src/opts/SkBlitRow_opts_SSE2.h

Index: src/opts/SkBlitRow_opts_SSE2.h
diff --git a/src/opts/SkBlitRow_opts_SSE2.h b/src/opts/SkBlitRow_opts_SSE2.h
index 66bc95ab64a66abdeb1a7b61a10daf83ffd9996f..03e6a943acee97412139a99cd833bff156cba8aa 100644
--- a/src/opts/SkBlitRow_opts_SSE2.h
+++ b/src/opts/SkBlitRow_opts_SSE2.h
@@ -29,6 +29,9 @@ void SkBlitLCD16Row_SSE2(SkPMColor dst[], const uint16_t src[],
 void SkBlitLCD16OpaqueRow_SSE2(SkPMColor dst[], const uint16_t src[],
                                SkColor color, int width, SkPMColor opaqueDst);
 
+void S32_D565_Opaque_SSE2(uint16_t* SK_RESTRICT dst,
+                          const SkPMColor* SK_RESTRICT src, int count,
+                          U8CPU alpha, int /*x*/, int /*y*/);
 void S32A_D565_Opaque_SSE2(uint16_t* SK_RESTRICT dst,
                            const SkPMColor* SK_RESTRICT src,
                            int count, U8CPU alpha, int /*x*/, int /*y*/);