ipv6: Enable auto flow labels by default

Initialize auto_flowlabels to one. This enables automatic flow labels,
individual socket may disable them using the IPV6_AUTOFLOWLABEL socket
option.

Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 9ac3af3..56db1ef 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1228,7 +1228,7 @@
 	   per socket basis using the IPV6_AUTOFLOWLABEL socket option
 	3: automatic flow labels are enabled and enforced, they cannot
 	   be disabled by the socket option
-	Default: 0
+	Default: 1
 
 flowlabel_state_ranges - BOOLEAN
 	Split the flow label number space into two ranges. 0-0x7FFFF is