Fixing heap_find() that i broke with the comparison function trim.

src/common/evsched.c

@@ -30,6 +30,7 @@
 static int compare_event_heap_nodes(event_t **e1, event_t **e2)
 {
 	if (timercmp(&(*e1)->tv, &(*e2)->tv, <)) return -1;
+	if (timercmp(&(*e1)->tv, &(*e2)->tv, >)) return 1;
 	return 0;
 }