Update Settings_Diff.py

Author: PaulZC

Firmware/Tools/Settings_Diff.py

@@ -54,7 +54,7 @@ def readFile(self, filename):
                 isFirstThing = not isFirstThing
                 if isFirstThing:
                     if firstThing in things.keys(): # Seen it before?
-                        print('Duplicate setting: {},{} : {}'.format(firstThing, secondThing, things[firstThing]))
+                        print('Duplicate setting: {},{} : {}'.format(firstThing, things[firstThing], secondThing))
                     else:
                         things[firstThing] = secondThing
                     firstThing = ''