Image paseted on JButton is displayed incorrectly at Motif L&F.

Run the attached program.
file : ButtonTest$1.class ButtonTest.class UIManagerMenu.class banana.gif
       ButtonTest$2.class ButtonTest.java UIManagerMenu.java broccoli.gif

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Size of JButton arranged by GridLayout becomes small, then image pasted on
JButton is displayed incorrectly at Motif Look & Feel.

In case of Motif Look & Feel, image is displayed out of JButton's size.
In another case, image is displayed correctly.