Cherrypick r12846 into m33_1750 for http://crbug.com/330293

git-svn-id: http://skia.googlecode.com/svn/branches/chrome/m33_1750/src@12963 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/core/SkRegion_path.cpp b/core/SkRegion_path.cpp
index ec4d9f0..98e937c 100644
--- a/core/SkRegion_path.cpp
+++ b/core/SkRegion_path.cpp
@@ -15,6 +15,7 @@
 
 class SkRgnBuilder : public SkBlitter {
 public:
+    SkRgnBuilder();
     virtual ~SkRgnBuilder();
 
     // returns true if it could allocate the working storage needed
@@ -98,6 +99,10 @@
     }
 };
 
+SkRgnBuilder::SkRgnBuilder()
+    : fStorage(NULL) {
+}
+
 SkRgnBuilder::~SkRgnBuilder() {
     sk_free(fStorage);
 }