x11/nvidia-hybrid-graphics: Optimus Technology

PR:		192617
Reported by:	David Mackay <davidjx8p@gmail.com>
Reviewed by:	many
Tested by:	many
Approved by:	portmgr (maintainer timeout: 15 days)
Differential Revision:	https://reviews.freebsd.org/D22521

x11/nvidia-settings/files/nvidia-settings.in

+#!/bin/sh
+[ -e "%%LOCALBASE%%/libexec/nvidia-settings-hybrid" ] && exec %%LOCALBASE%%/libexec/nvidia-settings-hybrid "$@"
+exec %%PREFIX%%/libexec/nvidia-settings "$@"