[gnome-sudoku] Update gschema.xml to use new difficulty enums

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 6c872cb094357eef258f50cf33bdb9ee72165f1f
Author: Parin Porecha <parinporecha gmail com>
Date:   Wed Aug 6 17:26:43 2014 +0200

    Update gschema.xml to use new difficulty enums

 data/org.gnome.sudoku.gschema.xml |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/data/org.gnome.sudoku.gschema.xml b/data/org.gnome.sudoku.gschema.xml
index 6d837c3..39334f2 100644
--- a/data/org.gnome.sudoku.gschema.xml
+++ b/data/org.gnome.sudoku.gschema.xml
@@ -1,15 +1,15 @@
 <schemalist>
   <enum id="org.gnome.sudoku.print-multiple-sudoku-difficulty">
-    <value nick="easy" value="0" />
-    <value nick="medium" value="1" />
-    <value nick="hard" value="2"  />
-    <value nick="very_hard" value="3"  />
+    <value nick="simple" value="1" />
+    <value nick="easy" value="2" />
+    <value nick="intermediate" value="3"  />
+    <value nick="expert" value="4"  />
   </enum>
   <schema id="org.gnome.sudoku" path="/org/gnome/sudoku/" gettext-domain="gnome-sudoku">
     <key name="print-multiple-sudoku-difficulty" enum="org.gnome.sudoku.print-multiple-sudoku-difficulty">
       <default>"easy"</default>
       <summary>Difficulty level of sudokus to be printed</summary>
-      <description>Set the difficulty level of the sudokus you want to print. Possible values are - "easy", 
"medium", "hard", "very_hard"</description>
+      <description>Set the difficulty level of the sudokus you want to print. Possible values are - 
"simple", "easy", "intermediate", "expert"</description>
     </key>
     <key name="print-multiple-sudokus-to-print" type="i">
       <default>4</default>