lib/package_unpack.c: pass correct number of args to xbps_set_cb_state().
lib/package_unpack.c: pass correct number of args to xbps_set_cb_state().

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