bin/xbps-rindex: fix adding packages with reverts.
bin/xbps-rindex: fix adding packages with reverts.

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