server: Redirection should use globalMinioPort with host without port. (#4445)
server: Redirection should use globalMinioPort with host without port. (#4445)

Currently redirection doesn't work in following scenarios

 - server started with port ":80" and TLS is configured
   client requested insecure request on port "80"
   gets redirected to port 443 and fails.
balamurugana/minio,krisis/minio,aead/minio,rushenn/minio,donatello/minio,harshavardhana/minio,jimjag/minio,abperiasamy/minio,krisis/minio,brendanashworth/minio,aead/minio,abperiasamy/minio,aead/minio,rushenn/minio,brendanashworth/minio,abperiasamy/minio,krishnasrinivas/minio,rushenn/minio,harshavardhana/minio,harshavardhana/minio,dvstate/minio,krishnasrinivas/minio,aead/minio,aead/minio,rushenn/minio,NitishT/minio,donatello/minio,jimjag/minio,minio/minio,aead/minio,fwessels/minio,NitishT/minio,krishnasrinivas/minio,harshavardhana/minio,abperiasamy/minio,vadmeste/minio,brendanashworth/minio,harshavardhana/minio,aead/minio,brendanashworth/minio,jimjag/minio,dvstate/minio,krishnasrinivas/minio,fwessels/minio,dvstate/minio,balamurugana/minio,harshavardhana/minio,jimjag/minio,fwessels/minio,dvstate/minio,fwessels/minio,aead/minio,harshavardhana/minio,NitishT/minio,NitishT/minio,harshavardhana/minio,vadmeste/minio,minio/minio