pull original version 2.24.0-r2 from official tree

Signed-off-by: Lan Yixun (dlan) <dennis.yxun@gmail.com>
sync with main portage, bug #450246

rework with "dd pygtk with the memory leak problem fixed"

Signed-off-by: Lan Yixun (dlan) <dennis.yxun@gmail.com>