[retro-gtk/gnome-3-26] Add forgotten 0.12.1 news

[Adrien Plazas <aplazas src gnome org>]

commit ce57ec4154877bc7660a0792de7ab353c46de59c
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sun Oct 1 09:04:28 2017 +0200

    Add forgotten 0.12.1 news

 NEWS |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index c20cb6a..9f1535d 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,19 @@
 ==============
+Version 0.12.1
+==============
+
+* Core:
+ - Fix a memory leak in the destructor.
+ - Support partially setting memory regions.
+
+* CoreView: Reset inputs when losing focus.
+
+* Bugs fixed:
+ 787769 retro-gtk: Keyboard keys can be stuck
+ 787548 mGBA fails to save memory
+
+
+==============
 Version 0.12.0
 ==============