xbps_transaction_remove_pkg: fix uninitialized argument value reported by scan-build.
xbps_transaction_remove_pkg: fix uninitialized argument value reported by scan-build.

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