[easytag] Add translator credits for British English

[David King <davidk src gnome org>]

commit b8fa3cd02f0047a774497737dbb6da832db76b1c
Author: David King <amigadave amigadave com>
Date:   Thu Mar 26 18:53:46 2015 +0100

    Add translator credits for British English

 po/en_GB.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/en_GB.po b/po/en_GB.po
index 5682284..ba0b443 100644
--- a/po/en_GB.po
+++ b/po/en_GB.po
@@ -3064,7 +3064,7 @@ msgstr "Open the selected files in EasyTAG"
 #. Translators: put your own name here to appear in the about dialog.
 #: ../src/about.c:89
 msgid "translator-credits"
-msgstr "translator-credits"
+msgstr "David King <amigadave amigadave com>"
 
 #: ../src/about.c:99
 msgid "View and edit tags in audio files"