Fix POTFILES.in

po/POTFILES.in

@@ -2,6 +2,7 @@
 # Please keep this file sorted alphabetically.
 [encoding: UTF-8]
 gnome-control-center.schemas.in
+libgnome-control-center/cc-lockbutton.c
 libgnome-control-center/gconf-property-editor.c
 panels/background/gnome-background-panel.desktop.in.in
 [type: gettext/glade]panels/background/background.ui
@@ -11,7 +12,6 @@ panels/background/cc-background-item.c
 panels/common/cc-common-language.c
 panels/common/gdm-languages.c
 [type: gettext/glade]panels/datetime/datetime.ui
-panels/datetime/dt-lockbutton.c
 panels/datetime/gnome-datetime-panel.desktop.in.in
 [type: gettext/glade]panels/display/display-capplet.ui
 panels/display/gnome-display-panel.desktop.in.in
@@ -32,7 +32,6 @@ panels/media/cc-media-panel.c
 panels/media/gnome-media-panel.desktop.in.in
 panels/printers/cc-printers-panel.c
 panels/printers/gnome-printers-panel.desktop.in.in
-panels/printers/pp-lockbutton.c
 [type: gettext/glade]panels/printers/printers.ui
 [type: gettext/glade]panels/region/gnome-region-panel.ui
 [type: gettext/glade]panels/region/gnome-region-panel-layout-chooser.ui
@@ -77,7 +76,6 @@ panels/user-accounts/um-account-dialog.c
 panels/user-accounts/um-account-type.c
 panels/user-accounts/um-fingerprint-dialog.c
 panels/user-accounts/um-language-dialog.c
-panels/user-accounts/um-lockbutton.c
 panels/user-accounts/um-password-dialog.c
 panels/user-accounts/um-photo-dialog.c
 panels/user-accounts/um-user-manager.c