master updated (f2e131f1ae -> 564f6c171e)

[Lars Ingebrigtsen]

larsi pushed a change to branch master.

      from  f2e131f1ae * src/gtkutil.c (xg_free_frame_widgets): Avoid compiler 
warning.
       new  95966b28fb Prune the animation cache from gc
       new  4c542747bd Make image-cache-size also include the animation cache
       new  564f6c171e Prune animation cache when images are no longer reachable


Summary of changes:
 lisp/image.el |  15 ++++++---
 src/alloc.c   |   3 ++
 src/image.c   | 100 +++++++++++++++++++++++++++++++++++++++++++---------------
 3 files changed, 89 insertions(+), 29 deletions(-)