bin/xbps-rindex/index-add.c: remove completely unused var.
bin/xbps-rindex/index-add.c: remove completely unused var.

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