[evolution-ews] NEWS update for 3.17.91

[Milan Crha <mcrha src gnome org>]

commit 1d05b4bc92c41a803c20e02592df47f5b107b751
Author: Milan Crha <mcrha redhat com>
Date:   Mon Aug 31 08:07:00 2015 +0200

    NEWS update for 3.17.91

 NEWS |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 819cea5..bd2d836 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+Evolution-EWS 3.17.91 2015-08-31
+--------------------------------
+
+Miscellaneous:
+       Add safety check when replacing folder hierarchy info in hash tables (Milan Crha)
+
+Translations:
+       Piotr Drąg (pl)
+
 Evolution-EWS 3.17.90 2015-08-17
 --------------------------------