Besides the obvious advantages this also fixes a potential memleak:
If only one of the arrays had been successfully allocated, the other
would leak. This also fixes Coverity issues #1440386 and #1440387.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>