[gimp-perl] force locale as 5.20.0 in de_DE fails on "use 5.006_001"

[Ed J <edj src gnome org>]

commit 9082ca8ab6534892652ec06ed7d98ec313b68807
Author: Ed J <edj src gnome org>
Date:   Sat May 7 02:50:23 2016 +0100

    force locale as 5.20.0 in de_DE fails on "use 5.006_001"

 t/02-supplied.t |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/t/02-supplied.t b/t/02-supplied.t
index 173a092..d776a70 100644
--- a/t/02-supplied.t
+++ b/t/02-supplied.t
@@ -6,6 +6,7 @@ use Test::More;
 our ($dir, $DEBUG);
 BEGIN {
 #  $Gimp::verbose = 3;
+  $ENV{LC_ALL} = 'en_GB.UTF-8'; # 5.20.0 in de_DE fails on "use 5.006_001"
   $DEBUG = 0;
   require 't/gimpsetup.pl';
   # most minimal and elegant would be to symlink sandbox gimp-dir's