XmImFreeXIC unregisters all widgets associated with the specified
X Input Context (XIC).
The specified widget must be associated with the specified
xic.
After unregistering the associated widgets, this call
frees the xic.
widget
Specifies the ID of a widget used to identify the VendorShell
and XmDisplay that maintain the widget-XIC registry.
xic
Specifies the Input Context associated with the widget.