Add SK_API to SkPixelRef and TextureCacheEntry.

Review URL:  http://codereview.appspot.com/5649044/



git-svn-id: http://skia.googlecode.com/svn/trunk@3158 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/gpu/GrContext.h b/include/gpu/GrContext.h
index 3fb4775..bee1577 100644
--- a/include/gpu/GrContext.h
+++ b/include/gpu/GrContext.h
@@ -87,7 +87,7 @@
      * Token that refers to an entry in the texture cache. Returned by
      * functions that lock textures. Passed to unlockTexture.
      */
-    class TextureCacheEntry {
+    class SK_API TextureCacheEntry {
     public:
         TextureCacheEntry() : fEntry(NULL) {}
         TextureCacheEntry(const TextureCacheEntry& e) : fEntry(e.fEntry) {}