* bsd-kvm.c: Include <paths.h>.

* bsd-kvm.c: Include <paths.h>.
(bsd_kvm_corefile): New variable.
(core_kd, bsd_kvm_paddr, bsd_kvm_supply_pcb, bsd_kvm_ops): Make
static.
(bsd_kvm_open): Set bsd_kvm_corefile.
(bsd_kvm_files_info): New function.
(bsd_kvm_add_target): Set to_files_info.