multimedia/motion Fix ioctl sign-extension warning on FreeBSD

[ultima]

Summary

• Bump Revision to fix ioctl sign-extension warning
• Cleanup Makefile

PR\: 221241
Submitted by\: <[e-mail]>
Reviewed by\: lifanov (mentor), matthew (mentor)
Approved by\: lifanov (mentor), matthew (mentor)
MFH: 2017Q3
Differential Revision\: https://reviews.freebsd.org/DXXXXX

Test Plan

portlint:
WARN: Makefile: possible use of absolute pathname "/boot/modules".
WARN: Makefile: possible use of absolute pathname "/boot/kernel".
WARN: Makefile: possible use of absolute pathname "/boot/modules".
WARN: Makefile: for new port, make $FreeBSD$ tag in comment section empty, to make SVN happy.
WARN: Makefile: new ports should not set PORTREVISION.
WARN: Makefile: new ports should not be maintained by [e-mail].
0 fatal errors and 6 warnings found.
Mostly false positives

poudriere:
103i386
103amd64
110i386
110amd64
12i386
12amd64

[matthew]