[whups] Patch for comment group permissions

[Mike Baptiste]

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I figured out the problem with comment permissions.  If you used 'Add
Comment' the permissions never were saved.  If you used Assign Ticket,
they would be.

Turns out addComment is returning true instead of the comment_id which
is passed to the permissions system.

Easy fix:

Index: sql.php
===================================================================
RCS file: /repository/whups/lib/Driver/sql.php,v
retrieving revision 1.63
diff -r1.63 sql.php
222c222
<         return true;
- ---
|         return $comment_id;


Mike
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