#3791 update LDAP username check (#3906)
#3791 update LDAP username check (#3906)


Spice-King/gogs,cgars/gogs,xaionaro/gogs,psaavedra/gogs,mukaiu/gogs,pikacloud/pikacode,xaionaro/gogs,gogits/gogs,ForxaCoLab/forxa,wangjild/gogs,liliexuan/gogs,linquize/gogs,wangjild/gogs,chriswatt/gogs,liliexuan/gogs,wangjild/gogs,gogits/gogs,dancewing/gogs,pikacloud/pikacode,dlob/gogs,linquize/gogs,cgars/gogs,mukaiu/gogs,cgars/gogs,dlob/gogs,xaionaro/gogs,liliexuan/gogs,pikacloud/pikacode,dancewing/gogs,linquize/gogs,mukaiu/gogs,dlob/gogs,ForxaCoLab/forxa,Spice-King/gogs,chriswatt/gogs,chriswatt/gogs,psaavedra/gogs,dancewing/gogs,ForxaCoLab/forxa,psaavedra/gogs,Spice-King/gogs,gogits/gogs,dancewing/gogs