firewalld: fix build of [gobject-introspection]

component/firewalld/buildout.cfg

@@ -68,7 +68,7 @@ configure-options =
   --disable-static
 
 environment =
-  PATH=${pkgconfig:location}/bin:${gettext:location}/bin:${glib:location}/bin:${xz-utils:location}/bin:%(PATH)s
+  PATH=${pkgconfig:location}/bin:${gettext:location}/bin:${glib:location}/bin:${xz-utils:location}/bin:${flex:location}/bin:${bison:location}/bin:%(PATH)s
   PKG_CONFIG_PATH=${glib:location}/lib/pkgconfig:${pcre:location}/lib/pkgconfig
   CPPFLAGS=-I${glib:location}/include/glib-2.0 -I${glib:location}/lib/glib-2.0/include
   LDFLAGS=-L${glib:location}/lib -Wl,-rpath=${glib:location}/lib -L${libffi:location}/lib -Wl,-rpath=${libffi:location}/lib -lffi