bugfix: failed to compile when SHA1 support is missing. this regression had appeared in cea321f7f9e2614c9e0932e367d15502507fa7e9.
bugfix: failed to compile when SHA1 support is missing. this regression had appeared in cea321f7f9e2614c9e0932e367d15502507fa7e9.

yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx