[IPV4]: Formatting fix for /proc/net/fib_trie.

The line in the /proc/net/fib_trie for route with TOS specified
- has extra \n at the end
- does not have a space after route scope
like below.
           |-- 1.1.1.1
              /32 universe UNICASTtos =1
Signed-off-by: NDenis V. Lunev <den@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/fib_trie.c

@@ -2431,8 +2431,7 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v)
 					   rtn_type(buf2, sizeof(buf2),
 						    fa->fa_type));
 				if (fa->fa_tos)
-					seq_printf(seq, "tos =%d\n",
-						   fa->fa_tos);
+					seq_printf(seq, " tos=%d", fa->fa_tos);
 				seq_putc(seq, '\n');
 			}
 		}