isspace -> g_ascii_isspace Remove gdki8n.h include. Remove <ctype.h>

isspace -> g_ascii_isspace Remove gdki8n.h include. Remove <ctype.h>

	* demos/gtk-demo/main.c: (load_file): isspace -> g_ascii_isspace
	* gdk/x11/gdkim-x11.c: Remove gdki8n.h include.
	* gdk/x11/gdkkeys-x11.c: Remove <ctype.h> include.
	* gdk/x11/gdkmain-x11.c: Remove <ctype.h> include.
	* gtk/fnmatch.c: Remove <ctype.h> include.
	* gtk/gtkaccelgroup.c: Remove <ctype.h> include.
	* gtk/gtkaccellabel.c: (gtk_accel_label_refetch): toupper ->
	g_unichar_toupper, toupper -> g_unichar_totile
	* gtk/gtkbindings.c: Remove <ctype.h> include.
	* gtk/gtkfontsel.c: Remove <ctype.h> include.
	* gtk/gtkiconfactory.c: Remove <ctype.h> include.
	* gtk/gtkinputdialog.c: Remove <ctype.h> include.
	* gtk/gtklabel.c: Remove <ctype.h> include.
	* gtk/gtkmain.c: Remove <ctype.h> include.
	* gtk/gtkmenu.c: Remove <ctype.h> include.
	* gtk/gtkoldeditable.c: Remove <ctype.h> include.
	* gtk/gtkrc.c: Remove <ctype.h> include.
	* gtk/gtktextbtree.c: Remove <ctype.h> include.
	* gtk/gtktextiter.c: Remove <ctype.h> include.
	* gtk/gtktextsegment.c: Remove <ctype.h> include.