[beagle] Update POTFILES.skip

[Piotr Drąg <piotrdrag src gnome org>]

commit 1bbf2289c3c8c05b531e90151b7d75d6b92c2d74
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Apr 8 15:51:40 2017 +0200

    Update POTFILES.skip

 beagle/po/POTFILES.skip |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/beagle/po/POTFILES.skip b/beagle/po/POTFILES.skip
index 91045bc..5f5c808 100644
--- a/beagle/po/POTFILES.skip
+++ b/beagle/po/POTFILES.skip
@@ -1,5 +1,9 @@
+# List of source files that should *not* be translated.
+# Please keep this file in alphabetical order.
 beagled/DumpIndex.cs
 epiphany-extension/beagle.py
+firefox-extension/chrome/content/beagleOverlay.js
+firefox-extension/chrome/content/indexLink.js
 search/beagle-search.desktop.in
 tools/beagle-settings.desktop.in
 Util/DigikamTags.cs