fix: handle precision_ms >= 1000 in delay_worker nanosleep (tv_nsec overflow)

src/lib/delay.c

@@ -19,7 +19,11 @@ static void* delay_worker(void* args)
 
         pthread_testcancel();
         {
-            struct timespec ts = { 0, (long)mgr->precision_ms * 1000000L };
+            long ms = (long)mgr->precision_ms;
+            struct timespec ts = {
+                .tv_sec  = ms / 1000,
+                .tv_nsec = (ms % 1000) * 1000000L,
+            };
             nanosleep(&ts, NULL);
         }