[gcompris] fixed a typo in mouse gestures

[Bruno Coudoin <bcoudoin src gnome org>]

commit e039ba8b2a6ece8cf745c675a6983fefa385864f
Author: Bruno Coudoin <bruno coudoin gcompris net>
Date:   Tue Aug 5 19:17:01 2014 +0200

    fixed a typo in mouse gestures

 gcompris.appdata.xml.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gcompris.appdata.xml.in b/gcompris.appdata.xml.in
index ffde8ba..79ee123 100644
--- a/gcompris.appdata.xml.in
+++ b/gcompris.appdata.xml.in
@@ -11,7 +11,7 @@
     <_p>Below you can find a list of categories with some of the activities
         available in that category.</_p>
     <ul>
-    <_li>computer discovery: keyboard, mouse, different mouse gesture, ...</_li>
+    <_li>computer discovery: keyboard, mouse, different mouse gestures, ...</_li>
     <_li>arithmetic: table memory, enumeration, double entry table, mirror
          image, ...</_li>
     <_li>science: the canal lock, the water cycle, the submarine, electric