grsec: Apply grsecurity-3.0-3.17.4-201411231452.patch

commit 292ba4917cc83d15c9d90801d51d740cec69e170
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Nov 23 14:08:10 2014 -0500

    move our make rpm chmods to %pre

 scripts/package/mkspec |   22 ++++++++++++----------
 1 files changed, 12 insertions(+), 10 deletions(-)

commit abaf3744d77602fe6c566ea45945fa8d9fc1cc31
Author: Brad Spengler <spender@grsecurity.net>
Date:   Sun Nov 23 09:54:26 2014 -0500

    Harden network settings by default since most users won't bother
    modifying /etc/sysctl.conf.

    Specifically we're now setting rp_filter = 1 and accept_redirects = 0

 net/ipv4/devinet.c  |    6 ++++--
 net/ipv6/addrconf.c |    4 ++--
 2 files changed, 6 insertions(+), 4 deletions(-)

Signature-tree: 524c85937292b0f82186b227e6abcce61f38ea77