fix ev_tstamp vs. time_t problems in worker_current_timestamp()

include/lighttpd/worker.h

@@ -42,7 +42,7 @@ struct statistics_t {
 	if ((srv)->worker_count > 1) g_static_rec_mutex_unlock(lock)
 
 struct worker_ts {
-	ev_tstamp last_generated;
+	time_t last_generated;
 	GString *str;
 };
 typedef struct worker_ts worker_ts;

src/worker.c

@@ -157,14 +157,14 @@ GString *worker_current_timestamp(worker *wrk, guint format_ndx) {
 	gsize len;
 	struct tm tm;
 	worker_ts *wts = &g_array_index(wrk->timestamps, worker_ts, format_ndx);
-	ev_tstamp now = CUR_TS(wrk);
+	time_t now = (time_t)CUR_TS(wrk);
 
 	/* cache hit */
-	if ((now - wts->last_generated) < 1.0)
+	if (now == wts->last_generated)
 		return wts->str;
 
 	g_string_set_size(wts->str, 255);
-	if (!gmtime_r((time_t*)&now, &tm))
+	if (!gmtime_r(&now, &tm))
 		return NULL;
 	len = strftime(wts->str->str, wts->str->allocated_len, g_array_index(wrk->srv->ts_formats, GString*, format_ndx)->str, &tm);
 	if (len == 0)