[gimp] Bug 782759 - strict validation of appdata file fails.

[Jehan Pagès <jehanp src gnome org>]

commit 7d2edec2b5a3dd744d8884ca94432b4b36e6f816
Author: Jehan <jehan girinstud io>
Date:   Mon May 22 23:32:50 2017 +0200

    Bug 782759 - strict validation of appdata file fails.
    
    Adding a second screenshot showing painting capabilities.

 desktop/gimp.appdata.xml.in |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/desktop/gimp.appdata.xml.in b/desktop/gimp.appdata.xml.in
index 0773d3c..ed48dc4 100644
--- a/desktop/gimp.appdata.xml.in
+++ b/desktop/gimp.appdata.xml.in
@@ -41,6 +41,10 @@
   <url type="homepage">http://www.gimp.org/</url>
   <screenshots>
     <screenshot type="default">
+      <image>http://www.gimp.org/screenshots/Screenshot-gimp-2.10-painting.jpg</image>
+      <_caption>Painting in GIMP</_caption>
+    </screenshot>
+    <screenshot type="default">
       <image>http://www.gimp.org/screenshots/Screenshot-gimp-2.10-photo-editing.jpg</image>
       <_caption>Photo editing in GIMP</_caption>
     </screenshot>