C++: Fix BaseSpecifierAST::firstToken return

Change-Id: I105d94f543d22319571320cd88f791278aac3239
Reviewed-on: http://codereview.qt.nokia.com/2734
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Roberto Raggi <roberto.raggi@nokia.com>

src/libs/3rdparty/cplusplus/AST.cpp

@@ -81,7 +81,7 @@ unsigned BaseSpecifierAST::firstToken() const
     if (access_specifier_token)
         return access_specifier_token;
     if (name)
-        name->firstToken();
+        return name->firstToken();
     // assert?
     return 0;
 }