cc1plus: warnings being treated as errors
In file included from /usr/include/xulrunner-1.9.2/jsinterp.h:48:0,
                 from /usr/include/xulrunner-1.9.2/jscntxt.h:53,
                 from converter.cc:20:
/usr/include/xulrunner-1.9.2/jsfun.h: In function 'js_ArgsPrivateNative* js_GetArgsPrivateNative(JSObject*)':
/usr/include/xulrunner-1.9.2/jsfun.h:233:55: error: converting to non-pointer type 'long unsigned int' from NULL
make[4]: *** [libggadget_smjs_la-converter.lo] Error 1
make[4]: Leaving directory `/var/abs/local/google-gadgets-gtk-svn/src/google-gadgets-build/extensions/smjs_script_runtime'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/var/abs/local/google-gadgets-gtk-svn/src/google-gadgets-build/extensions/smjs_script_runtime'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/var/abs/local/google-gadgets-gtk-svn/src/google-gadgets-build/extensions'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/abs/local/google-gadgets-gtk-svn/src/google-gadgets-build'
make: *** [all] Error 2