xbps-uhelper: fixed 'register' target (regression added in recent commits).
xbps-uhelper: fixed 'register' target (regression added in recent commits).

ebfe/xbps,ebfe/xbps,stpx/xbps,ebfe/xbps,stpx/xbps,datenwolf/xbps,datenwolf/xbps,datenwolf/xbps,stpx/xbps