sln: Fix set-but-unused gcc47 warning
ral: Fix set-but-unused gcc47 warning
iwn: Fix set-but-unused gcc47 warning
ath: Partly fix set-but-unused gcc47 warning
acpica: Fix set-but-unused gcc47 warning
wlan: Partly fix set-but-unused gcc47 warning
ip6/mroute: Partly fix set-but-unused gcc47 warning
pf: Fix set-but-unused gcc47 warning
kernel: Properly lock dounmount()

* dounmount() wasn't properly locked, make it grab the mntvnode_token

* It is necessary to synchronize against insmntque() clearing the vnode
  linkage

* This commit fixes issue #2506

Thanks to vsrinivas for directions
Import OpenSSL-1.0.1d.

      o Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
      o Fix OCSP bad key DoS attack CVE-2013-0166
      o Fix for SSL/TLS/DTLS CBC plaintext recovery attack CVE-2013-0169
      o Fix for TLS AESNI record handling flaw CVE-2012-2686
Merge branch 'vendor/OPENSSL'
Update files for OpenSSL-1.0.1d import.
libcsu: Assign environment when environ is NULL

Preloaded libraries can change the environment.  The current logic will
unconditionally reassign the environment, undoing any previous
customization.  This change preserves the previous customization.

Taken-from: FreeBSD SVN 245133 (07 Jan 2013)
kernel: Nuke ISA sound card support.

This removes the following modules:

snd_ad1816.ko
snd_ess.ko
snd_mss.ko
snd_sb8.ko
snd_sb16.ko
snd_sbc.ko
acpi.4: Document that HPET is enabled by default.

Comment out the section about debug.acpi.enabled because currently
there are no ACPI devices/features that are off by default and have
to be enabled.
Fix our tree for -Wmissing-include-dirs.
bsd.cpu.mk: Set gcc47 as default

Yet another place the default compiler is defined and needs updating.
make upgrade: Remove another manpage (an MLINK) which has changed name.
libdialog: Increase MAX_LEN to 4096 (bug 2480)

While we are waiting for new libdialog, improve the ancient one so that
it at least doesn't core dump when used (e.g. ghostscript9 in dports)
Merge branch 'master' into gsocdrm_jfree