Lost of unowned directories are reported for XFCE packages [1]. If I were
familiar with the dependency graph, I would know where to start with
suggesting fixes:
=> libxfce4mcs-devel - 4.4.0-2.fc7.i386 (fedora-extras-development-i386)
/usr/include/xfce4
=> xfce-mcs-manager - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/share/xfce4
/usr/share/xfce4/doc
=> xfce-mcs-plugins - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/share/xfce4
/usr/share/xfce4/doc
/usr/lib/xfce4
/usr/lib/xfce4/mcs-plugins
/usr/share/xfce-mcs-plugins
/usr/share/xfce-mcs-plugins/shortcuts
=> xfce-utils - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/share/apps
/usr/share/apps/switchdesk
=> xfce4-appfinder - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/share/xfce4
/usr/share/xfce4/doc
=> xfce4-battery-plugin - 0.5.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-clipman-plugin - 0.8.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-cpugraph-plugin - 0.3.0-4.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-dict-plugin - 0.2.1-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-diskperf-plugin - 2.1.0-2.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-eyes-plugin - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-fsguard-plugin - 0.3.0-4.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-genmon-plugin - 3.1-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-mailwatch-plugin - 1.0.1-5.fc7.i386 (fedora-extras-development-i386)
/usr/share/xfce4/doc
/usr/libexec/xfce4
=> xfce4-mixer - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-mount-plugin - 0.5.1-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-netload-plugin - 0.4.0-4.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-notes-plugin - 1.4.1-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-panel - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/share/xfce4/doc
/usr/libexec/xfce4
/etc/xdg/xfce4
/etc/xdg/xfce4/panel
=> xfce4-screenshooter-plugin - 1.0.0-4.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-sensors-plugin - 0.10.0-2.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-session - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/etc/xdg/xfce4-session
/etc/xdg/autostart
/usr/share/xfce4
/usr/share/xfce4/doc
/usr/share/xfce4/tips
/usr/lib/xfce4
/usr/lib/xfce4/splash
/usr/lib/xfce4/splash/engines
/usr/lib/xfce4/mcs-plugins
=> xfce4-session-devel - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/include/xfce4
/usr/include/xfce4/xfce4-session-4.2
/usr/include/xfce4/xfce4-session-4.2/libxfsm
=> xfce4-session-engines - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/lib/xfce4
/usr/lib/xfce4/splash
/usr/lib/xfce4/splash/engines
/usr/share/themes
/usr/share/themes/Default/balou
=> xfce4-systemload-plugin - 0.4.2-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-timer-plugin - 0.5.1-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-wavelan-plugin - 0.5.4-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-weather-plugin - 0.6.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-xfapplet-plugin - 0.1.0-2.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-xkb-plugin - 0.4.3-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfce4-xmms-plugin - 0.5.1-1.fc7.i386 (fedora-extras-development-i386)
/usr/libexec/xfce4
=> xfdesktop - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/etc/xdg/xfce4
/usr/lib/xfce4/modules
/usr/share/xfce4-menueditor
/usr/libexec/xfce4
=> xfprint - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/share/xfce4
/usr/share/xfce4/doc
/usr/lib/xfce4
=> xfprint-devel - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/include/xfce4
=> xfwm4 - 4.4.0-1.fc7.i386 (fedora-extras-development-i386)
/usr/share/xfce4/doc
/usr/lib/xfce4
/usr/lib/xfce4/mcs-plugins
[1] It looks a bit as some of these packages are missing dependencies.