[gnumeric] Update NEWS for 1.12.43

[Morten Welinder <mortenw src gnome org>]

commit f8ea47c7a4cd9ea0235f344c20dbf4949e22964a
Author: Morten Welinder <terra gnome org>
Date:   Sun Aug 19 14:45:25 2018 -0400

    Update NEWS for 1.12.43
    
    A bit late.

 NEWS | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/NEWS b/NEWS
index f75e07890..e13c530d3 100644
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,10 @@ Gnumeric 1.12.44
 --------------------------------------------------------------------------
 Gnumeric 1.12.43
 
+Morten:
+       * Fix header installation.
+       * Fix psiconv compilation.
+
 --------------------------------------------------------------------------
 Gnumeric 1.12.42