[gcab] Update NEWS for v0.6

[Marc-Andre Lureau <malureau src gnome org>]

commit ad8cacf765284885bdd43a28fa7400655dab8854
Author: Marc-André Lureau <marcandre lureau gmail com>
Date:   Tue Mar 17 16:10:51 2015 +0100

    Update NEWS for v0.6

 NEWS |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 7c1a594..dd5d3b0 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+v0.6
+====
+
+- fix for the AFL-detected crashes
+- add file information getters (get_attributes(), get_date(), get_size())
+- gcab learned --list-details to list files with those informations
+- fix the file date when creating cab
+- build-sys fixes
+
 v0.5
 ====