[gtksourceview] Release 3.21.2

[Sébastien Wilmet <swilmet src gnome org>]

commit 1b93af42b30de45567d8eb7bd517258132686dbb
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Jun 19 16:31:00 2016 +0200

    Release 3.21.2

 NEWS |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 69e4b6c..4e7f441 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,15 @@
+News in 3.21.2
+--------------
+* Make gtk_source_style_apply() public
+* GtkSourceSearchContext: add "version 2" of some functions to improve the API,
+  and deprecate the v1's.
+* Fix a critical message when showing a completion window
+* Fix a drawing issue with syntax highlighting
+* Improvements to the syntax highlighting of: Meson, JavaScript
+* Various code improvements and bug fixes
+* Documentation improvements
+* Build fixes on ARM
+
 News in 3.21.1
 --------------
 * Export SourceRegion in the public API