openbox: fix runtime error for missing python and pyXDG

Openbox-Message: Cannot set locale modifiers for the X server.
/usr/bin/env: 'python': No such file or directory

/usr/libexec/openbox-xdg-autostart needs python, add rdepends

Also missing rdepends on pyXDG

Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-graphics/openbox/openbox_3.6.1.bb

@@ -39,7 +39,6 @@ python populate_packages_prepend() {
     do_split_packages(d, theme_dir, '(.*)', theme_name, '${PN} theme for %s', extra_depends='', allow_dirs=True)
 }
 
-RDEPENDS_${PN} += "${PN}-core ${PN}-config ${PN}-theme-clearlooks"
 FILES_${PN}-core = "${bindir}/openbox ${bindir}/openbox-session ${libdir}/*${SOLIBS}"
 
 FILES_${PN}-lxde += "${datadir}/lxde/ \
@@ -54,3 +53,5 @@ FILES_${PN}-gnome += " \
 "
 
 FILES_${PN}-config += "${sysconfdir}"
+
+RDEPENDS_${PN} += "${PN}-core ${PN}-config ${PN}-theme-clearlooks python pyxdg"