Send Content-Length in the response headers (#7771)
Send Content-Length in the response headers (#7771)

curl using http1.0 would hang sometimes when Content-Length is missing in response headers
fixes #7661
harshavardhana/minio,fwessels/minio,fwessels/minio,harshavardhana/minio,krisis/minio,donatello/minio,vadmeste/minio,harshavardhana/minio,NitishT/minio,vadmeste/minio,krisis/minio,aead/minio,aead/minio,aead/minio,fwessels/minio,aead/minio,harshavardhana/minio,krishnasrinivas/minio,aead/minio,krishnasrinivas/minio,minio/minio,aead/minio,harshavardhana/minio,harshavardhana/minio,krishnasrinivas/minio,balamurugana/minio,NitishT/minio,balamurugana/minio,krishnasrinivas/minio,aead/minio,donatello/minio,NitishT/minio,minio/minio,NitishT/minio,fwessels/minio,aead/minio,harshavardhana/minio,harshavardhana/minio