Fix type of write_and_go
Fix type of write_and_go

write_and_go is the next connection state to use, so it should be
typed appropriately.

daverigby/memcached,allen8807/memcached-1,msg7086/repcached,owendCB/memcached,membase/moxi,dustin/memcached,niaomingjian/memcached,rhli/memcached,abhinavdangeti/memcached,alexandermerritt/memcached,fengshao0907/memcached,zbase/moxi,kamyu104/memcached,couchbase/memcached,13693100472/memcached,13693100472/memcached,jimwwalker/memcached,amyvmiwei/memcached,zbase/memcached,Metaswitch/memcached,mitliucak/memcached,zbase/moxi,guikcd/memcached,daverigby/memcached,samanbarghi/memcached,bpzhang/memcached,amyvmiwei/memcached,msg7086/repcached,abhinavdangeti/memcached,abhinavdangeti/memcached,msg7086/repcached,EdwardLee03/memcached,angusfenying/memcached-win64,samanbarghi/memcached,surajdharmapuram/memcached,rmccullagh/memcached,dkrotx/memcached-dd,membase/moxi,shelsonjava/memcached,daverigby/kv_engine,myPublicGit/memcached,gencer/memcached,alexandermerritt/memcached,zaycev/memcached,couchbase/memcached,myPublicGit/memcached,couchbase/moxi,kamyu104/memcached,tmharrisonwang/memcached,daverigby/memcached,EdwardLee03/memcached,zbase/moxi,sagark/memcached-accel,niaomingjian/memcached,guikcd/memcached,tomykaira/memcached,rmccullagh/memcached,osheroff/memcached_kdtree,samt42/memcached,dormando/memcached,neutronsharc/memcached,ClearwaterCore/memcached,zaycev/memcached,tmharrisonwang/memcached,Metaswitch/memcached,DSrcl/memcached,neutronsharc/memcached,guikcd/memcached,ZhangZhenhua/memcached,sagark/memcached-accel,steveyen/moxi,memcached/memcached,memcached/memcached,dianerdianer/memcached,membase/moxi,sagark/memcached-accel,amyvmiwei/memcached,Danzeer/memcached,samt42/memcached,tellapart/memcached,jbergstroem/memcached,zaycev/memcached,msg7086/repcached,Dhruva6/memcached,williamcheungthu/memcached,samanbarghi/memcached,elfchief/memcached,ZhangZhenhua/memcached,cloudrain21/memcached,Metaswitch/memcached,rhli/memcached,gencer/memcached,EdwardLee03/memcached,cloudrain21/memcached-1,leverich/memcached-affinity,dormando/memcached,DigitalAce/memcached,samanbarghi/memcached,memcached/memcached,xiaosl/memcached,couchbase/moxi,membase/moxi,surajdharmapuram/memcached,osheroff/memcached_kdtree,rhli/memcached,steveyen/moxi,EdwardLee03/memcached,ClearwaterCore/memcached,rmccullagh/memcached,DigitalAce/memcached,daverigby/kv_engine,zbase/memcached,steveyen/moxi,dormando/memcached,elfchief/memcached,owendCB/memcached,DSrcl/memcached,jbergstroem/memcached,romanticode/memcached,rhli/memcached,gencer/memcached,cloudrain21/memcached-1,dormando/memcached,angusfenying/memcached-win64,abhinavdangeti/memcached,ZhangZhenhua/memcached,dianerdianer/memcached,elfchief/memcached,zbase/moxi,fengshao0907/memcached,msg7086/repcached,niaomingjian/memcached,leedc/memcached,DSrcl/memcached,xiaosl/memcached,memcached/memcached,gencer/memcached,owendCB/memcached,13693100472/memcached,saumitra/memcached,bpzhang/memcached,angusfenying/memcached-win64,surajdharmapuram/memcached,williamcheungthu/memcached,cloudrain21/memcached,leverich/memcached-affinity,Danzeer/memcached,leedc/memcached,mitliucak/memcached,couchbase/moxi,jeremiahyan/memcached,mitliucak/memcached,dkrotx/memcached-dd,elfchief/memcached,steveyen/moxi,cloudrain21/memcached-1,Danzeer/memcached,cloudrain21/memcached,romanticode/memcached,Metaswitch/memcached,mitliucak/memcached,surajdharmapuram/memcached,memcached/memcached,leedc/memcached,bpzhang/memcached,neutronsharc/memcached,DSrcl/memcached,tmharrisonwang/memcached,guikcd/memcached,daverigby/kv_engine,tmharrisonwang/memcached,jeremiahyan/memcached,ClearwaterCore/memcached,dormando/memcached,couchbase/moxi,kamyu104/memcached,couchbase/moxi,neutronsharc/memcached,tellapart/memcached,osheroff/memcached_kdtree,zbase/moxi,zbase/memcached,dkrotx/memcached-dd,owendCB/memcached,alexandermerritt/memcached,myPublicGit/memcached,alexandermerritt/memcached,dianerdianer/memcached,allen8807/memcached-1,rmccullagh/memcached,rmccullagh/memcached,Distrotech/memcached,jbergstroem/memcached,guikcd/memcached,zaycev/memcached,samt42/memcached,daverigby/kv_engine,romanticode/memcached,amyvmiwei/memcached,mdounin/memcached,Danzeer/memcached,mrkwse/memcached,jimwwalker/memcached,mrkwse/memcached,DigitalAce/memcached,saumitra/memcached,dustin/memcached,dustin/memcached,mrkwse/memcached,dianerdianer/memcached,ZhangZhenhua/memcached,gencer/memcached,zbase/memcached,jeremiahyan/memcached,abhinavdangeti/memcached,steveyen/moxi,cloudrain21/memcached-1,williamcheungthu/memcached,dkrotx/memcached-dd,membase/moxi,mrkwse/memcached,sagark/memcached-accel,emcconville/memcached,cloudrain21/memcached,saumitra/memcached,mdounin/memcached,leverich/memcached-affinity,samt42/memcached,mdounin/memcached,shelsonjava/memcached,niaomingjian/memcached,shelsonjava/memcached,zbase/memcached,leedc/memcached,Metaswitch/memcached,sagark/memcached-accel,bpzhang/memcached,couchbase/memcached,xiaosl/memcached,membase/moxi,romanticode/memcached,fengshao0907/memcached,13693100472/memcached,myPublicGit/memcached,emcconville/memcached,tomykaira/memcached,xiaosl/memcached,allen8807/memcached-1,allen8807/memcached-1,ClearwaterCore/memcached,Dhruva6/memcached,daverigby/memcached,Distrotech/memcached,13693100472/memcached,emcconville/memcached,Distrotech/memcached,kamyu104/memcached,tomykaira/memcached,elfchief/memcached,Dhruva6/memcached,couchbase/moxi,shelsonjava/memcached,emcconville/memcached,jimwwalker/memcached,tomykaira/memcached,tellapart/memcached,Dhruva6/memcached,jeremiahyan/memcached,angusfenying/memcached-win64,couchbase/memcached,fengshao0907/memcached,williamcheungthu/memcached