[PATCH] arm: fix bridge

[PATCH] arm: fix bridge

which went a little wrong in

commit dd91d3389c26645459d3b80649941d65efa4f63f
Date:   Sat Jan 2 14:36:44 2021 +0100

    Fix some warnings for Raspberry pi 4 (part3)

Change-Id: Ief7e1146b7480a1c16ec0810f991296710214332
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/120830
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
and...

arm: nStackBytes was already the right amount of bytes

regression from...

commit 6e3424ca1131fe371f63e456267de476b5eb0eae
Date:   Sat Jan 2 11:03:12 2021 +0100

    Fix some warnings for Raspberry pi 4 (part2)

which changed that

Change-Id: I9a19d7d6bc1e4115ffffbe32d8d62be5d275d500
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/120747
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: René Engelhard <rene@debian.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Gbp-Pq: Name fix-arm-bridges.diff