[libgda/LIBGDA_5.2] Updated NEWS for 5.2.5 release

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 6fffd0cd05304046e1db4e4879fd029089307110
Author: Daniel Espinosa <esodan gmail com>
Date:   Thu Sep 27 10:15:05 2018 -0500

    Updated NEWS for 5.2.5 release

 NEWS | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index e9fa58227..b21a72d09 100644
--- a/NEWS
+++ b/NEWS
@@ -1,7 +1,10 @@
 
-libgda 5.2.5
+libgda 5.2.5 2018-09-25
  - GdaConnection has removed the use of g_object_weak_*, improving
    multi-threading behaviour
+ - Prepared statements now use GWeakRef for weak references
+ - GdaDataPivot use instance providers and locking
+ - GdaVConnectionDataModel use GRecMutex
  - Updated SQLite to 3.8.11.1
  - Fix SQLCipher build by embedding source code for 3.4.2 version
  - Fix SQLCipher disabling