* java/awt/TextComponent.java:
	(getSelectionStart): Updated javadocs.
	(getSelectionEnd): Ditto.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextComponentPeer:
	(getSelectionStart): Changed to return caret position if no
	text is selected
	(getSelectionEnd): Ditto.

From-SVN: r74124