connection.c: try_ready_chunked_body(): fix VS compiler warning, small refactoring for readability
connection.c: try_ready_chunked_body(): fix VS compiler warning, small refactoring for readability

ghaderer/libmicrohttpd,maru/libmicrohttpd-http2,ghaderer/libmicrohttpd,maru/libmicrohttpd-http2,ghaderer/libmicrohttpd,maru/libmicrohttpd-http2