* DerivedSources.make:
        Add an inclusion guard for CSSGrammar.h and XPathGrammar.h, because older versions of bison do not
        
        * css/maketokenizer:
        Unconditionally define the flex basic types that are not part of newer versions of flex. Was
        only needed on Linux. Now needed on Mac OS 10.5, and is OK to do on 10.4.9.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@21765 268f45cc-cd09-0410-ab3c-d52691b4dbfc