xbps-bin/main.c: remove unused var found by clang analyzer.
xbps-bin/main.c: remove unused var found by clang analyzer.

--HG--
extra : convert_revision : xtraeme%40gmail.com-20100428163341-3b947nuva6l5pv85

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