[PATCH] fix build fail for hv_mouse indefine udelay

[Youquan Song]

Fix build failure issue for hv_mouse
When build 2.6.39-rc1 kernel, it will be blocked at build hv_mouse. 

  CC [M]  drivers/staging/hv/hv_mouse.o
drivers/staging/hv/hv_mouse.c: In function â??ReleaseInputDeviceâ??:
drivers/staging/hv/hv_mouse.c:293: error: implicit declaration of function â??udelayâ??
make[3]: *** [drivers/staging/hv/hv_mouse.o] Error 1
make[2]: *** [drivers/staging/hv] Error 2


Signed-off-by: Youquan Song <youquan.song@xxxxxxxxx>
---
 drivers/staging/hv/hv_mouse.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/hv/hv_mouse.c b/drivers/staging/hv/hv_mouse.c
index 50147f8..9c6d4d2 100644
--- a/drivers/staging/hv/hv_mouse.c
+++ b/drivers/staging/hv/hv_mouse.c
@@ -23,6 +23,7 @@
 #include <linux/hiddev.h>
 #include <linux/pci.h>
 #include <linux/dmi.h>
+#include <linux/delay.h>
 
 #include "hv_api.h"
 #include "logging.h"
-- 
1.6.4.2

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