[gegl] NEWS: add translators

[Øyvind Kolås <ok src gnome org>]

commit 5eb2574ad4af0ecd5aae9e027dd97bbfcc3dd9b1
Author: Øyvind Kolås <pippin gimp org>
Date:   Wed May 31 00:47:23 2017 +0200

    NEWS: add translators

 docs/NEWS.txt |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/docs/NEWS.txt b/docs/NEWS.txt
index 55cd2be..d9d2a8c 100644
--- a/docs/NEWS.txt
+++ b/docs/NEWS.txt
@@ -21,8 +21,7 @@ add validation of roi in gegl_operation_get_bounding_box
 Contributors
 ~~~~~~~~~~~~
 
-Ell, Anton Gorenko, Øyvind Kolås
-
+Ell, Anton Gorenko, Øyvind Kolås, Piotr Drąg, Mario Blättermann 
 
 GEGL-0.3.16
 -----------