[gwt-contrib] SplitLayout getAssociatedSplitter

[Tim K]

Library: GWT SDK 2.0.3
Class:  SplitLayoutPanel
Method:getAssociatedSplitter()
Error: Unable to resize the last Widget on panel

Steps to Reproduce Error:
public class ReproduceError implements EntryPoint {
    @Override
    public void onModuleLoad() {
        SplitLayoutPanel panel = new SplitLayoutPanel();
        Label greet = new Label("Hello World");
        panel.addNorth(greet, 100);
        panel.setWidgetMinSize(greet, 200);
     }
}
public class WorkAround implements EntryPoint {
    @Override
    public void onModuleLoad() {
        SplitLayoutPanel panel = new SplitLayoutPanel();
        Label greet = new Label("Hello World");
        panel.addNorth(greet, 100);
        panel.addNorth(new HTML(""), 0);
        panel.setWidgetMinSize(greet, 200);
     }
}


Cause of Error:   "idx < getWidgetCount() - 2"
  private Splitter getAssociatedSplitter(Widget child) {
    // If a widget has a next sibling, it must be a splitter, because
the only
    // widget that *isn't* followed by a splitter must be the CENTER,
which has
    // no associated splitter.
    int idx = getWidgetIndex(child);
    if (idx < getWidgetCount() - 2) {
      Widget splitter = getWidget(idx + 1);
      assert splitter instanceof Splitter : "Expected child widget to
be splitter";
      return (Splitter) splitter;
    }
    return null;
  }

Fix of Error: idx <= getWidgetCount() - 2

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