wic: keep rootfs_size as integer
The corrected line accidentally converted it to float,
which causes problems later on with python 3.10:
| File "/home/alex/development/poky/scripts/lib/wic/partition.py", line 278, in prepare_rootfs_ext
| os.ftruncate(sparse.fileno(), rootfs_size * 1024)
| TypeError: 'float' object cannot be interpreted as an integer
Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit
d1d260dd2d196d10379ed9e238bcb34f39f3a3b7)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
