mhd_itc.c: fixed typo preventing build on Solaris and other systems.
mhd_itc.c: fixed typo preventing build on Solaris and other systems.

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