build_rootfs.sh: fix e2fsck command not found error

We need to add the full path when running e2fsck as a user because
sometimes /sbin is not in PATH.

Change-Id: I06f6c744d0899ad5105f10aeed7451afeb0a7ec3
Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
1 file changed
tree: 380ebb69260fd6af56c109855242ab2e279f2bc3
  1. net/
  2. METADATA