doc:networking: Fix default value (icmp_ignore_bogus_error_responses).

This patch fixes icmp_ignore_bogus_error_responses default value to be 1 instead
of FALSE. It is initialized to 1 in icmp_sk_init().
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/networking/ip-sysctl.txt

@@ -729,7 +729,7 @@ icmp_ignore_bogus_error_responses - BOOLEAN
 	frames.  Such violations are normally logged via a kernel warning.
 	If this is set to TRUE, the kernel will not give such warnings, which
 	will avoid log file clutter.
-	Default: FALSE
+	Default: 1
 
 icmp_errors_use_inbound_ifaddr - BOOLEAN