contrib/recipes/watch.go : cancel() the watch after desired watch event fixes #9882
contrib/recipes/watch.go : cancel() the watch after desired watch event
fixes #9882

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