jpeg2000: Mark static data init functions as av_cold
Merge commit 'fe4d5fe9361162f9033ff1bd84bfc1b2091ba785'

* commit 'fe4d5fe9361162f9033ff1bd84bfc1b2091ba785':
  jpeg2000: Mark static data init functions as av_cold

Conflicts:
	libavcodec/jpeg2000.c
	libavcodec/jpeg2000dec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
vf_sab: use av_malloc_array()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avfilter/vf_spp: Use av_malloc_array()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>