Bugfix in norwegian version.

egon_no.py

@@ -1033,7 +1033,7 @@ class ReadingModel():
             p.strip()		
             nextArray.append(p.split("-"))
         for n in nextArray:
-            sum += int(n[1]) - int(n[0])
+            sum += int(n[1]) - int(n[0]) + 1
         return sum
 
     ## Return whether the reading has been done or not