[NET] XFRM: Fix whitespace errors.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 414f890..ee15bda 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -4,7 +4,7 @@
  * Changes:
  * 	YOSHIFUJI Hideaki @USAGI
  * 		Split up af-specific portion
- * 	
+ *
  */
 
 #include <linux/slab.h>