xbps_remove_pkg: fix a memleak, thanks valgrind.
xbps_remove_pkg: fix a memleak, thanks valgrind.

--HG--
extra : convert_revision : xtraeme%40gmail.com-20100113171003-aiome0xxe5l1f96a

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