tools/etcd-dump-logs: pass zap logger to raftsnap
tools/etcd-dump-logs: pass zap logger to raftsnap

Signed-off-by: Gyuho Lee <3454051ee3341eb69bdf6fca40899cdad4d86496@gmail.com>

sinsharat/etcd,mqliang/etcd,etcd-io/etcd,joshix/etcd,mkumatag/etcd,cockroachdb/etcd,sebrandon1/etcd,mqliang/etcd,glevand/coreos--etcd,dannysauer/etcd,mkumatag/etcd,sebrandon1/etcd,xiang90/etcd,bdarnell/etcd,li-ang/etcd,gyuho/etcd,mqliang/etcd,rnaveiras/etcd,dannysauer/etcd,coreos/etcd,mkumatag/etcd,gyuho/etcd,glevand/coreos--etcd,ajityagaty/etcd,cockroachdb/etcd,sinsharat/etcd,etcd-io/etcd,rnaveiras/etcd,joshix/etcd,ajityagaty/etcd,rnaveiras/etcd,bdarnell/etcd,xiang90/etcd,vimalk78/etcd,li-ang/etcd,etcd-io/etcd,ajityagaty/etcd,coreos/etcd,vimalk78/etcd