parser: fix build on solaris

src/preparser.h

Index: src/preparser.h
diff --git a/src/preparser.h b/src/preparser.h
index f392304be826d985e4df1c4e2e8ff4694b4b04ee..6d89713c24ff91ba3ed8d962ee96aac207565503 100644
--- a/src/preparser.h
+++ b/src/preparser.h
@@ -644,10 +644,10 @@ class PreParserTraits {
 
   // Custom operations executed when FunctionStates are created and
   // destructed. (The PreParser doesn't need to do anything.)
-  template<typename FS>
-  static void SetUpFunctionState(FS* function_state, void*) {}
-  template<typename FS>
-  static void TearDownFunctionState(FS* function_state) {}
+  template<typename FunctionState>
+  static void SetUpFunctionState(FunctionState* function_state, void*) {}
+  template<typename FunctionState>
+  static void TearDownFunctionState(FunctionState* function_state) {}
 
   // Helper functions for recursive descent.
   static bool IsEvalOrArguments(PreParserIdentifier identifier) {