nightly build 20070710000

Extra  semicolon or comma  is generated at last of constant of enum type.

Steps to reproduce:
1. Create UML java-platform project.
2. Add an enumerate element to canvas. Add literals Winter, Spring, Summer.
3. Call Code generation and code is generated as below.
-- Note that a semicolon appears at end of last constant before the close bracket, which should be
after the close bracket.

public enum Season {

    //<maker>
    Winter,

    //<maker>
    Spring,

    // <maker>
    Summer;
}

4. Add one more literal 'Fall' 
5. Repeat step 3 to generate code.
-- a comma shows up at last constant 'Fall' as shown below:
public enum Season {

    //<maker>
    Winter,

    //<maker>
    Spring,

    // <maker>
    Summer;

    // <amker>
    Fall,;
}