SSE2-ified S32_alpha_D32_filter_DX (refactoring to come).  Also shaved a few
cycles off the SSE2 blends.

Review URL:  http://codereview.appspot.com/171055



git-svn-id: http://skia.googlecode.com/svn/trunk@456 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkBitmapProcState.h b/src/core/SkBitmapProcState.h
index 9a5674b..dd73c33 100644
--- a/src/core/SkBitmapProcState.h
+++ b/src/core/SkBitmapProcState.h
@@ -140,5 +140,7 @@
 // platformProcs may test for them by name.
 void S32_opaque_D32_filter_DX(const SkBitmapProcState& s, const uint32_t xy[],
                               int count, SkPMColor colors[]);
+void S32_alpha_D32_filter_DX(const SkBitmapProcState& s, const uint32_t xy[],
+                             int count, SkPMColor colors[]);
 
 #endif