[gjs] release: Include NEWS from 1.48.6

[Philip Chimento <pchimento src gnome org>]

commit 636d9d3a5b04ff95e88e75447dca3acc033531b7
Author: Philip Chimento <philip endlessm com>
Date:   Fri Jul 28 00:23:38 2017 +0100

    release: Include NEWS from 1.48.6

 NEWS |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 2666427..4963c63 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+Version 1.48.6
+--------------
+
+- Closed bugs:
+
+  * GJS crash in needsPostBarrier, possible access from wrong thread [#783935,
+    Philip Chimento] (again)
+
 Version 1.49.4
 --------------