[gnome-subtitles] Fix keywords in Icelandic translation

[Piotr Drąg <piotrdrag src gnome org>]

commit bb4e9c1675c9b3f7357721b3f3f42ad12d365563
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Aug 5 20:48:59 2018 +0200

    Fix keywords in Icelandic translation

 po/is.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/is.po b/po/is.po
index 945b993..d3ea9ec 100644
--- a/po/is.po
+++ b/po/is.po
@@ -56,7 +56,7 @@ msgstr "Skjátextaritill"
 
 #: ../data/org.gnome.GnomeSubtitles.desktop.in.in.h:4
 msgid "Subtitles;Video;"
-msgstr "Skjátextar;Myndskeið"
+msgstr "Skjátextar;Myndskeið;"
 
 #: ../data/org.gnome.GnomeSubtitles.gschema.xml.h:1
 #| msgid "Shown in menu:"