[PATCH] fix generic_fls64()

Noticed by Rune Torgersen.

Fix generic_fls64().  tcp_cubic is using fls64().
Signed-off-by: NAkinobu Mita <mita@miraclelinux.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

include/linux/bitops.h

@@ -81,7 +81,7 @@ static inline int generic_fls64(__u64 x)
 {
 	__u32 h = x >> 32;
 	if (h)
-		return fls(x) + 32;
+		return fls(h) + 32;
 	return fls(x);
 }