Add to the lxde-gtk3 group

PKGBUILD

@@ -6,7 +6,7 @@
 
 pkgname=openbox
 pkgver=3.6.1
-pkgrel=2
+pkgrel=3
 pkgdesc='Highly configurable and lightweight X11 window manager'
 arch=('i686' 'x86_64')
 url='http://openbox.org'
@@ -16,7 +16,7 @@ depends=('startup-notification' 'libxml2' 'libxinerama' 'libxrandr'
          'libxcursor' 'pango' 'imlib2' 'librsvg' 'libsm')
 optdepends=('plasma-workspace: for the KDE/Openbox xsession'
             'python2-xdg: for the openbox-xdg-autostart script')
-groups=('lxde' 'lxqt')
+groups=('lxde' 'lxde-gtk3' 'lxqt')
 backup=('etc/xdg/openbox/menu.xml' 'etc/xdg/openbox/rc.xml'
         'etc/xdg/openbox/autostart' 'etc/xdg/openbox/environment')
 source=(http://openbox.org/dist/openbox/$pkgname-$pkgver.tar.gz{,.asc}