Fix windows build.

TBR=lrn
Review URL: http://codereview.chromium.org/5367007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5904 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/preparser.cc

@@ -104,7 +104,7 @@ PreParser::SourceElements PreParser::ParseSourceElements(int end_token,
 }
 
 
-PreParser::PreParser::Statement PreParser::ParseStatement(bool* ok) {
+PreParser::Statement PreParser::ParseStatement(bool* ok) {
   // Statement ::
   //   Block
   //   VariableStatement