[cp-patches] Need Approval: Patch for DefaultListSelectionModel

[Anthony Balkissoon]

Calling fireValueChanged when the list didn't actually change can cause
infinite loops if Listeners perform some action on the list.  This patch
fixes the problem for javax/swing/DefaultListSelectionModel.java

Patch is pending approval.

Patch is attached.

2005-06-28  Anthony Balkissoon  <address@hidden>

        * javax/swing/DefaultListSelectionModel.java:
        (addSelectionInterval):
        (clearSelection):
        (removeSelectionInterval):
        (setLeadSelectionIndex):
        (setSelectionInterval): Check that the selection model actually
        changes before calling fireValueChanged.

ListSelectionValueChanged.diff
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