ITC socketpair: renamed struct member 'fd' -> 'sk'
ITC socketpair: renamed struct member 'fd' -> 'sk'

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