[librsvg] Update NEWS for 2.42.2

[Federico Mena Quintero <federico src gnome org>]

commit 193ce0426d73d7956b9258e85e3634bf5b67ecea
Author: Federico Mena Quintero <federico gnome org>
Date:   Thu Feb 1 19:16:08 2018 -0600

    Update NEWS for 2.42.2

 NEWS | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/NEWS b/NEWS
index 37e8707..5da49aa 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,8 @@
 Version 2.42.2
 - gitlab#193 - Don't crash when feConvolveMatrix doesn't specify
   orderx/ordery attributes.
+- gitlab#136 - Parse stroke-dasharray property correctly.  This code
+  is in Rust now; yay! (Jordan Petridis).
 - Don't render markers if they are zero-sized, per the spec.
 - Performance: eliminate a bunch of string copies during parsing.
 - Update rust-cssparser to 0.23 (Igor Gnatenko).