correction coquille substring

src/main/java/devoo/tp07/ULillePhoneNumber.java

@@ -6,11 +6,11 @@ public class ULillePhoneNumber extends PhoneNumber{
 
     public ULillePhoneNumber(String fiveDigits)  {
         super(PhoneNumber.FRANCE_CODE, 
-        Integer.valueOf(U_LILLE_PREFIX.substring(1)),
+        Integer.valueOf(U_LILLE_PREFIX.substring(0, 1)),
         Integer.valueOf(U_LILLE_PREFIX.substring(1, 3)),
         Integer.valueOf(U_LILLE_PREFIX.substring(3, 4)+fiveDigits.substring(1, 1)),
         Integer.valueOf(fiveDigits.substring(1, 3)), 
         Integer.valueOf(fiveDigits.substring(3, 5)));
     }
 
-}
\ No newline at end of file
+}