sync POTFILES.in with the new filenames. Thanks to Timo Jyrinki for reminding me to do this :)

po/POTFILES.in

@@ -6,17 +6,19 @@ gtk/details.c
 gtk/dialogs.c
 gtk/file-list.c
 gtk/hig.c
-gtk/io.c
 gtk/ipc.c
 gtk/main.c
 gtk/makemeta-ui.c
 gtk/msgwin.c
+gtk/notify.c
 gtk/open-dialog.c
+gtk/sexy-icon-entry.c
 gtk/stats.c
 gtk/torrent-cell-renderer.c
-gtk/tr_core.c
-gtk/tr_icon.c
-gtk/tr_prefs.c
-gtk/tr_torrent.c
-gtk/tr_window.c
+gtk/tr-core.c
+gtk/tr-icon.c
+gtk/tr-io.c
+gtk/tr-prefs.c
+gtk/tr-torrent.c
+gtk/tr-window.c
 gtk/util.c