* gnu/java/awt/peer/gtk/GtkButtonPeer.java
	(gtkSetLabel): New native method definition.
	(setLabel): Use gtkSetLabel.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkButtonPeer.c
	(Java_gnu_java_awt_peer_gtk_GtkButtonPeer_gtkSetLabel): New method.

From-SVN: r77604