xfce-build: Add depends for Catfish

Dockerfile

@@ -10,7 +10,7 @@ RUN sed -Ei 's/^# deb-src /deb-src /' /etc/apt/sources.list
 RUN apt-get update
 RUN apt-get -y --no-install-recommends install libglib2.0-dev git libtool m4 automake intltool libx11-dev libgtk-3-dev libxfce4util-dev libxfce4ui-2-dev libwnck-3-dev libexo-2-dev gobject-introspection libgirepository1.0-dev \
   && apt-get -y --no-install-recommends build-dep xfce4-panel thunar xfce4-settings xfce4-session xfdesktop4 xfwm4 xfce4-appfinder tumbler \
-  && apt-get -y --no-install-recommends build-dep gigolo mousepad parole ristretto xfburn xfce4-dict xfce4-notifyd xfce4-screensaver xfce4-screenshooter xfce4-taskmanager xfce4-terminal \
+  && apt-get -y --no-install-recommends build-dep catfish gigolo mousepad parole ristretto xfburn xfce4-dict xfce4-notifyd xfce4-screensaver xfce4-screenshooter xfce4-taskmanager xfce4-terminal \
   && apt-get -y --no-install-recommends build-dep xfce4-clipman-plugin
 
 # Build and install the latest tag for all Xfce core libraries