GridLayout.java (layoutContainer): Use number of rows to compute height of each cell...

GridLayout.java (layoutContainer): Use number of rows to compute height of each cell...

	* java/awt/GridLayout.java (layoutContainer): Use number of rows
	to compute height of each cell, and number of columns to compute
	width of each cell.
	* java/awt/Window.java (getOwnedWindows): Don't return null.
	* java/awt/FlowLayout.java (layoutContainer): Set width and height
	of component.  Increment x using horizontal gap, not vertical
	gap.

From-SVN: r49320