Ensure conf.serve_usecs is reset if multiple log-format options are given.
@@ -749,6 +749,7 @@ set_time_format_str (const char *oarg) {
/* Determine if time-served data was set through log-format. */
static void
contains_usecs (void) {
+ conf.serve_usecs = 0; /* flag */
if (!conf.log_format)
return;
