Fix OpenGL errors in various places.

Change-Id: I3a4e115d8fb13b6c443e65460d92987b16f2524c
diff --git a/libs/hwui/SkiaShader.h b/libs/hwui/SkiaShader.h
index 0023c46..9f8778f 100644
--- a/libs/hwui/SkiaShader.h
+++ b/libs/hwui/SkiaShader.h
@@ -122,6 +122,8 @@
 
     SkBitmap* mBitmap;
     const Texture* mTexture;
+    GLenum mWrapS;
+    GLenum mWrapT;
 }; // struct SkiaBitmapShader
 
 /**