sizeof(val) returns type unsigned long. count is already unsigned long, so
 just use that. This fixes a compile warning.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
---

 drivers/staging/rtl8192su/ieee80211/ieee80211_module.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
@@ -304,7 +304,7 @@ static int store_debug_level(struct file
 			     unsigned long count, void *data)
 {
 	char buf[] = "0x00000000";
-	unsigned long len = min(sizeof(buf) - 1, (u32)count);
+	unsigned long len = min(sizeof(buf) - 1, count);
 	char *p = (char *)buf;
 	unsigned long val;