Problem with thunderbird PLIST

[Mike Pumford <mpumford%mudcovered.org.uk@localhost>]

ERROR: ************************************************************
ERROR: The following files are in the PLIST but not in 
/pkg_comp/obj/pkgsrc/mail/thunderbird/default/.destdir/usr/pkg:
ERROR: 
/pkg_comp/obj/pkgsrc/mail/thunderbird/default/.destdir/usr/pkg/lib/thunderbird/chrome/messenger/content/branding/about-background.png
ERROR: 
/pkg_comp/obj/pkgsrc/mail/thunderbird/default/.destdir/usr/pkg/lib/thunderbird/chrome/messenger/content/branding/about-logo.png
ERROR: ************************************************************
ERROR: The following files are in 
/pkg_comp/obj/pkgsrc/mail/thunderbird/default/.destdir/usr/pkg but not 
in the PLIST:
ERROR: 
/pkg_comp/obj/pkgsrc/mail/thunderbird/default/.destdir/usr/pkg/lib/thunderbird/chrome/messenger/content/branding/about-logo.svg

This is with the mozilla branding option enabled but I don't think its 
specific to that as the entries in the PLIST are not conditional on that 
option.

I'm testing the following patch which I think ought to work:

===================================================================
RCS file: /cvsroot/pkgsrc/mail/thunderbird/PLIST,v
retrieving revision 1.64
diff -u -r1.64 PLIST
--- mail/thunderbird/PLIST      16 Dec 2018 08:12:15 -0000      1.64
+++ mail/thunderbird/PLIST      20 Dec 2018 21:25:17 -0000
@@ -2434,8 +2434,7 @@
 lib/thunderbird/chrome/icons/default/default32.png
 lib/thunderbird/chrome/icons/default/default48.png
 lib/thunderbird/chrome/icons/default/default64.png
-lib/thunderbird/chrome/messenger/content/branding/about-background.png
-lib/thunderbird/chrome/messenger/content/branding/about-logo.png
+lib/thunderbird/chrome/messenger/content/branding/about-logo.svg
 lib/thunderbird/chrome/messenger/content/branding/about-wordmark.svg
 lib/thunderbird/chrome/messenger/content/branding/about.png
 lib/thunderbird/chrome/messenger/content/branding/aboutDialog.css