Corrected description of mg_send_file()

mongoose.h

@@ -159,7 +159,6 @@ int mg_printf(struct mg_connection *, const char *fmt, ...);
 
 
 // Send contents of the entire file together with HTTP headers.
-// Return 1 on success, 0 on error (e.g. file does not exist).
 void mg_send_file(struct mg_connection *conn, const char *path);