autogen.sh: Honor NOCONFIGURE=1
autogen.sh: Honor NOCONFIGURE=1

See http://people.gnome.org/~walters/docs/build-api.txt

Signed-off-by: Alan Coopersmith <ea3248f8c2440b9439894eab21ef26209b22bacf@oracle.com>

freedesktop-unofficial-mirror/xorg__app__luit,freedesktop-unofficial-mirror/xorg__app__luit