fix calling undef inline func build error

Fixes error introduced in https://code.google.com/p/skia/source/detail?r=13465

R=robertphillips@google.com
TBR=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/168893002

git-svn-id: http://skia.googlecode.com/svn/trunk@13466 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkClipStack.cpp b/src/core/SkClipStack.cpp
index 17eb6f9..e501697 100644
--- a/src/core/SkClipStack.cpp
+++ b/src/core/SkClipStack.cpp
@@ -103,6 +103,18 @@
     }
 }
 
+void SkClipStack::Element::setEmpty() {
+    fType = kEmpty_Type;
+    fFiniteBound.setEmpty();
+    fFiniteBoundType = kNormal_BoundsType;
+    fIsIntersectionOfRects = false;
+    fRect.setEmpty();
+    fRRect.setEmpty();
+    fPath.reset();
+    fGenID = kEmptyGenID;
+    SkDEBUGCODE(this->checkEmpty();)
+}
+
 void SkClipStack::Element::checkEmpty() const {
     SkASSERT(fFiniteBound.isEmpty());
     SkASSERT(kNormal_BoundsType == fFiniteBoundType);