use SkSafeUnref()



git-svn-id: http://skia.googlecode.com/svn/trunk@954 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/views/SkProgressView.cpp b/src/views/SkProgressView.cpp
index a34c284..0c81bcc 100644
--- a/src/views/SkProgressView.cpp
+++ b/src/views/SkProgressView.cpp
@@ -15,8 +15,8 @@
 SkProgressView::~SkProgressView()
 {
 	delete fInterp;
-	fOnShader->safeUnref();
-	fOffShader->safeUnref();
+	SkSafeUnref(fOnShader);
+	SkSafeUnref(fOffShader);
 }
 
 void SkProgressView::setMax(U16CPU max)