Remove twice include of qemu-common.h

This patch is used to remove twice include of "qemu-common.h" in
block/win32-aio.c
Signed-off-by: NQiao Nuohan <qiaonuohan@cn.fujitsu.com>
Reviewed-by: NStefan Weil <sw@weilnetz.de>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>

block/win32-aio.c

@@ -25,7 +25,6 @@
 #include "qemu/timer.h"
 #include "block/block_int.h"
 #include "qemu/module.h"
-#include "qemu-common.h"
 #include "block/aio.h"
 #include "raw-aio.h"
 #include "qemu/event_notifier.h"