generic: fix tcp_window_check patch for 3.6

generic: fix tcp_window_check patch for 3.6

Move the new entry to the end of the tcp_sysctl_table
array to fix the following error:

[    7.670000] sysctl table check failed: net/netfilter/nf_conntrack_tcp_max_retrans No data
[    7.680000] Call Trace:
[    7.680000] [<80273bc4>] dump_stack+0x8/0x34
[    7.680000] [<80128710>] __register_sysctl_table+0x374/0x3a8
[    7.690000] [<868d5034>] nf_conntrack_l4proto_unregister+0x158/0x1a0[nf_conntrack]
[    7.700000] [<868d50e4>] nf_conntrack_l4proto_register+0x68/0x21c[nf_conntrack]
[    7.710000] [<868b237c>] need_ipv4_conntrack+0x35c/0xb60[nf_conntrack_ipv4]
[    7.710000]
[    7.720000] nf_conntrack_l4proto_tcp4 :protocol register failed
[    7.720000] nf_conntrack_ipv4: can't register pernet ops
[    7.780000] nf_nat: Unknown symbol nf_nat_seq_adjust_hook (err 0)
[    7.790000] nf_nat: Unknown symbol need_ipv4_conntrack (err 0)
[    7.800000] iptable_nat: Unknown symbol nf_nat_packet (err 0)
[    7.810000] iptable_nat: Unknown symbol nf_nat_setup_info (err 0)
[    7.820000] iptable_nat: Unknown symbol nf_nat_icmp_reply_translation (err 0)
[    7.820000] iptable_nat: Unknown symbol need_ipv4_conntrack (err 0)
[    7.840000] ipt_MASQUERADE: Unknown symbol nf_nat_setup_info (err 0)
[    7.860000] nf_nat_ftp: Unknown symbol nf_nat_follow_master (err 0)
[    7.870000] nf_nat_ftp: Unknown symbol __nf_nat_mangle_tcp_packet (err 0)
[    7.890000] nf_nat_irc: Unknown symbol nf_nat_follow_master (err 0)
[    7.900000] nf_nat_irc: Unknown symbol __nf_nat_mangle_tcp_packet (err 0)

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33968 3c298f89-4303-0410-b956-a3cf2f4a3e73