1. Fix ssl_sock_load_cert_chain_file() arguments num issue
as el8 change to 5 arguments, el7 only has 4 arguments
2. Fix Warning to ha_warning
Story: 2006729
Task: 37680
Change-Id: I82ac46a91eee7d02861365b8a51c4be8b88936b3
Signed-off-by: Long Li <lilong-neu@neusoft.com>