xbps-install: fix previous; only print pkgs that have "download" property.
xbps-install: fix previous; only print pkgs that have "download" property.

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