net: Convert uses of typedef ctl_table to struct ctl_table

Reduce the uses of this unnecessary typedef.

Done via perl script:

$ git grep --name-only -w ctl_table net | \
  xargs perl -p -i -e '\
	sub trim { my ($local) = @_; $local =~ s/(^\s+|\s+$)//g; return $local; } \
        s/\b(?<!struct\s)ctl_table\b(\s*\*\s*|\s+\w+)/"struct ctl_table " . trim($1)/ge'

Reflow the modified lines that now exceed 80 columns.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index a55eecca..5325b54 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -132,7 +132,7 @@
 	return 0;
 }
 
-static int dn_node_address_handler(ctl_table *table, int write,
+static int dn_node_address_handler(struct ctl_table *table, int write,
 				void __user *buffer,
 				size_t *lenp, loff_t *ppos)
 {
@@ -183,7 +183,7 @@
 	return 0;
 }
 
-static int dn_def_dev_handler(ctl_table *table, int write,
+static int dn_def_dev_handler(struct ctl_table *table, int write,
 				void __user *buffer,
 				size_t *lenp, loff_t *ppos)
 {
@@ -246,7 +246,7 @@
 	return 0;
 }
 
-static ctl_table dn_table[] = {
+static struct ctl_table dn_table[] = {
 	{
 		.procname = "node_address",
 		.maxlen = 7,