Fix erroring out when no changes to commit

wizard/config/configure.sh

@@ -53,11 +53,15 @@ echo "===== Configure system... ====="
     echo "===== Failed to configure system =====" 
 }
 
-compare
-
+if ! [[ compare | grep -q 'No changes between working and active configurations.' ]]
+then 
     { # try commit, save
+        compare
         commit && save && exit
     } || { # catch, exit discard and print a very basic error message
         exit discard
         echo "Failed to commit and save the configuration."
     }
+else
+    echo "No changes to commit."
+fi