[gimp-web/testing] Added GIMP 2.8.20 installer for Microsoft Windows

[Michael Schumacher <schumaml src gnome org>]

commit a4495873d8f2004bf0a395687e5f22fdbe21ae8d
Author: Michael Schumacher <schumaml gmx de>
Date:   Tue Feb 7 00:36:41 2017 +0100

    Added GIMP 2.8.20 installer for Microsoft Windows

 GIMP_VERSIONS |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/GIMP_VERSIONS b/GIMP_VERSIONS
index 3d44d82..616fedf 100644
--- a/GIMP_VERSIONS
+++ b/GIMP_VERSIONS
@@ -7,6 +7,9 @@
                 },
             "macos": {
                "gimp-2.8.20-x86_64.dmg": "ba69e3b399c6903180265d60ed2c49b2"
+                },
+            "windows": {
+                "gimp-2.8.20-setup.exe": "df90eaa5ababdbc4f2e7e0432ba36fe7"
                 }
            },