os0thread.c Fix os_thread_sleep: did not work if over 1000000 microsecs;...

os0thread.c	Fix os_thread_sleep: did not work if over 1000000 microsecs; caused slowness at least on Solaris and FreeBSD

innobase/os/os0thread.c

@@ -139,8 +139,8 @@ os_thread_sleep(
 #else
 	struct timeval	t;
 
-	t.tv_sec = 0;
-	t.tv_usec = tm;
+	t.tv_sec = tm / 1000000;
+	t.tv_usec = tm % 1000000;
 	
 	select(0, NULL, NULL, NULL, &t);
 #endif