apparently librsvg isn't optional at all (FS#36759)

PKGBUILD

@@ -5,16 +5,14 @@
 
 pkgname=openbox
 pkgver=3.5.2
-pkgrel=2
+pkgrel=3
 pkgdesc='Highly configurable and lightweight X11 window manager'
 arch=('i686' 'x86_64')
 url='http://openbox.org'
 license=('GPL')
 depends=('startup-notification' 'libxml2' 'libxinerama' 'libxrandr'
-         'libxcursor' 'pango' 'imlib2')
-makedepends=('librsvg')
-optdepends=('python2: for the xdg-autostart script'
-            'librsvg: for SVG icons support')
+         'libxcursor' 'pango' 'imlib2' 'librsvg')
+optdepends=('python2: for the xdg-autostart script')
 groups=('lxde')
 options=('!libtool')
 backup=('etc/xdg/openbox/menu.xml' 'etc/xdg/openbox/rc.xml'