[NET] CORE: 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/core/datagram.c b/net/core/datagram.c
index 797fdd4..186212b 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -430,7 +430,7 @@
  *	@skb: skbuff
  *	@hlen: hardware length
  *	@iov: io vector
- * 
+ *
  *	Caller _must_ check that skb will fit to this iovec.
  *
  *	Returns: 0       - success.