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jethro 8Sep98

In order to fix this solaris bug:

    4151246 Solaris: MMouseDragRecognizer doesn't work properly

I need to implement the native method AWTEvent.freeNativeData()
on Solaris to free the X windows event when an AWTEvent is finalized.
We must implement the same method for the win32 implementation,
although it may be just a stub.
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