Fixes the following error:
libsoup-2.66.0/libsoup/soup-auth-ntlm.c:815:23: error: unknown conversion type character 'h' in format [-Werror=format=] sscanf(hex_pos, "%2hhx", &hmac[count]); ^
No idea what @fanc999 is going to do though - no ANSI STDIO for MSVC...