Supply status description to html_status()

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

html.h

@@ -6,7 +6,7 @@ extern int htmlfd;
 extern void html_raw(const char *txt, size_t size);
 extern void html(const char *txt);
 extern void htmlf(const char *format,...);
-extern void html_status(int code, int more_headers);
+extern void html_status(int code, const char *msg, int more_headers);
 extern void html_txt(char *txt);
 extern void html_ntxt(int len, char *txt);
 extern void html_attr(char *txt);