xbps_rindex_sync: check that downloaded repo index is a dictionary.
xbps_rindex_sync: check that downloaded repo index is a dictionary.

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