[glibmm] Update .gitignore

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 0364a2f99e0306ddb2acf1c9bf0e9f524b4a7d32
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Mon Sep 10 18:52:50 2018 +0200

    Update .gitignore

 .gitignore | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 434a9a8c..83fe09c6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,9 +39,9 @@ giommconfig.h
 /build/missing
 /build/test-driver
 
-# MSVC_Net20*/
-/MSVC_Net201?/giomm/giomm.rc
-/MSVC_Net201?/glibmm/glibmm.rc
+# MSVC_NMake/
+/MSVC_NMake/giomm/giomm.rc
+/MSVC_NMake/glibmm/glibmm.rc
 
 # docs/
 /docs/doc-install.pl