Fix compile warning.

R=ulan@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11642020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13243 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/objects-inl.h

@@ -2821,7 +2821,7 @@ void ConsStringIteratorOp::Reset() {
 
 String* ConsStringIteratorOp::ContinueOperation(int32_t* type_out,
                                                 unsigned* length_out) {
-  bool blew_stack;
+  bool blew_stack = false;
   String* string = NextLeaf(&blew_stack, type_out, length_out);
   // String found.
   if (string != NULL) {