etcdserver: fix snapshot index in creation log line
etcdserver: fix snapshot index in creation log line

The snapshot is created at appliedi instead of snapi.

purpleidea/etcd,armstrongli/etcd,akauppi/etcd,westhood/etcd,cockroachdb/etcd,visheshnp/etcd,vimalk78/etcd,dannysauer/etcd,bdarnell/etcd,jlamillan/etcd,mkumatag/etcd,whuwxl/etcd,OyTao/etcd_learning,linuxcer/etcd,swingbach/etcd,nekto0n/etcd,ktateish/etcd,wantonsolutions/dinv-etcd,etcd-io/etcd,luxas/etcd,luxas/etcd,lorneli/etcd,lumjjb/etcd,rchicoli/etcd,ravigadde/etcd,bdarnell/etcd,raoofm/etcd,bluebreezecf/etcd,fanminshi/etcd,ktateish/etcd,zaphod-concur/etcd,whuwxl/etcd,coreos/etcd,dnaeon/etcd,sayden/etcd,siddontang/etcd,ajityagaty/etcd,xiang90/etcd,tguangch/etcd,handsomesun/etcd,fasaxc/etcd,oscarrr110/etcd,insequent/etcd,YuleiXiao/etcd,hongchaodeng/etcd,StorReduce/etcd,plasticbox/etcd,mqliang/etcd,li-ang/etcd,raoofm/etcd,insequent/etcd,etcd-io/etcd,fasaxc/etcd,mkumatag/etcd,endocode/etcd,achanda/etcd,achanda/etcd,glycerine/etcd,jlamillan/etcd,ravigadde/etcd,ajityagaty/etcd,qqsun8819/etcd,HideoYamauchi/etcd,rchicoli/etcd,westhood/etcd,cchamplin/etcd,tamird/etcd,chipironcin/etcd,coreos/etcd,yudai/etcd,glevand/coreos--etcd,purpleidea/etcd,glycerine/etcd,sofuture/etcd,cockroachdb/etcd,rnaveiras/etcd,linuxcer/etcd,qqsun8819/etcd,YuleiXiao/etcd,chipironcin/etcd,gyuho/etcd,bluebreezecf/etcd,handsomesun/etcd,endocode/etcd,fasaxc/etcd,jonboulle/etcd,siddontang/etcd,vimalk78/etcd,joshix/etcd,rnaveiras/etcd,heyitsanthony/etcd,sebrandon1/etcd,wantonsolutions/dinv-etcd,nekto0n/etcd,HideoYamauchi/etcd,sinsharat/etcd,mqliang/etcd,Timer/etcd,sayden/etcd,tguangch/etcd,xiang90/etcd,ajityagaty/etcd,lumjjb/etcd,armstrongli/etcd,heyitsanthony/etcd,shawnps/etcd,sinsharat/etcd,rnaveiras/etcd,jonboulle/etcd,etcd-io/etcd,zaphod-concur/etcd,hongchaodeng/etcd,lorneli/etcd,tamird/etcd,mkumatag/etcd,visheshnp/etcd,shawnps/etcd,fanminshi/etcd,a-robinson/etcd,yudai/etcd,swingbach/etcd,oscarrr110/etcd,Timer/etcd,dannysauer/etcd,li-ang/etcd,cchamplin/etcd,gyuho/etcd,mickep76/etcd,glevand/coreos--etcd,CrazyJvm/etcd,joshix/etcd,mqliang/etcd,plasticbox/etcd,OyTao/etcd_learning,mickep76/etcd,sebrandon1/etcd,a-robinson/etcd,StorReduce/etcd,sofuture/etcd,CrazyJvm/etcd,wantonsolutions/dinv-etcd,dnaeon/etcd,akauppi/etcd