apparmorfs: Combine two function calls into one in aa_fs_seq_raw_abi_show()

A bit of data was put into a sequence by two separate function calls.
Print the same data by a single function call instead.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: John Johansen <john.johansen@canonical.com>