static const char psz_hfmt[] = "\r\n"
"--"BOUNDARY"\r\n"
"Content-Type: image/jpeg\r\n"
- "Content-Length: %u\r\n"
+ "Content-Length: %zu\r\n"
"\r\n";
block_t *p_data = block_FifoGet( p_fifo );
block_t *p_header = block_New( p_mux, sizeof( psz_hfmt ) + 20 );