lxc-setcap: use POSIX shell instead of bash
lxc-setcap: use POSIX shell instead of bash

Avoid getopt --longoptions

Signed-off-by: Natanael Copa <d6dfbe96822fc6f407d114112670f8d1571509f1@alpinelinux.org>
Acked-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

codebauss/lxc,codebauss/lxc,bostjan/lxc,GreatFruitOmsk/lxc,terceiro/lxc,ecarrara/lxc,rowhit/lxc,tych0/lxc,smoser/lxc,Distrotech/lxc,ss1h2a3tw/lxc,ojkastl/lxc_Patches,federicobriata/lxc,yubo/lxc,DarknessBeforeDawn/lxc,cjwatson/lxc,virajs/lxc,bmoar/lxc,thmo/lxc,ioops/lxc,efiop/lxc,regit/lxc,aeris/lxc,smoser/lxc,ss1h2a3tw/lxc,fwilson42/lxc,aeris/lxc,szaszg/lxc,raspberrypython/lxc,sapun/lxc,akshaykarle/lxc,rldleblanc/lxc,szaszg/lxc,tych0/lxc,rowhit/lxc,QingweiPeterLan/cs188-lxc,christiaan/lxc,major/lxc,armcc/lxc,raspberrypython/lxc,ioops/lxc,hkjolhede/lxc,DarknessBeforeDawn/lxc,bostjan/lxc,abstrakraft/lxc-android-lxc,abstrakraft/lxc-android-lxc,Pelagicore/lxc,fwilson42/lxc,jirislaby/lxc,glensc/lxc,lisongmin/lxc,QingweiPeterLan/cs188-lxc,hfuCN/lxc,aeris/lxc,hallyn/lxc,caglar10ur/lxc,Ponce/lxc,JohnPeacockMessageSystems/lxc,caglar10ur/lxc,akshaykarle/lxc,LynxChaus/lxc,ysbnim/lxc,Pelagicore/lxc,akshaykarle/lxc,ss1h2a3tw/lxc,rldleblanc/lxc,bmoar/lxc,ksperis/lxc,hkjolhede/lxc,regit/lxc,yubo/lxc,smoser/lxc,ksperis/lxc,lazy404/lxc,glensc/lxc,armcc/lxc,hkjolhede/lxc,thmo/lxc,ojkastl/lxc_Patches,terceiro/lxc,cjwatson/lxc,ojkastl/lxc_Patches,ysbnim/lxc,weizhenwei/lxc,Distrotech/lxc,szaszg/lxc,jirislaby/lxc,ojkastl/lxc_Patches,GreatFruitOmsk/lxc,abstrakraft/lxc-android-lxc,DarknessBeforeDawn/lxc,efiop/lxc,cjwatson/lxc,lisongmin/lxc,glensc/lxc,sapun/lxc,rldleblanc/lxc,hfuCN/lxc,Ponce/lxc,Pelagicore/lxc,Ponce/lxc,jirislaby/lxc,christiaan/lxc,terceiro/lxc,federicobriata/lxc,tych0/lxc,raspberrypython/lxc,ecarrara/lxc,weizhenwei/lxc,codebauss/lxc,weizhenwei/lxc,major/lxc,sapun/lxc,efiop/lxc,LynxChaus/lxc,abstrakraft/lxc-android-lxc,lazy404/lxc,armcc/lxc,GreatFruitOmsk/lxc,lisongmin/lxc,JohnPeacockMessageSystems/lxc,QingweiPeterLan/cs188-lxc,major/lxc,bmoar/lxc,ksperis/lxc,LynxChaus/lxc,Distrotech/lxc,caglar10ur/lxc,virajs/lxc,bostjan/lxc,JohnPeacockMessageSystems/lxc,thmo/lxc,hfuCN/lxc,rowhit/lxc,virajs/lxc,christiaan/lxc,regit/lxc,fwilson42/lxc,yubo/lxc,ioops/lxc,ysbnim/lxc,lazy404/lxc,hallyn/lxc,federicobriata/lxc,ecarrara/lxc,smoser/lxc,hallyn/lxc