MFC r257879:

Fix typo in r256646: We want to generate lists of directories in
INDEX-OLD and INDEX-NEW and compare them, not generate the same
list of directories from INDEX-OLD twice...

Pointy hats to: cperciva & everybody who didn't proofread
		EN-13:04 enough
Errata Notice:	FreeBSD-EN-13:05.freebsd-update
Approved by:	so
Fix bsnmpd remote denial of service vulnerability. [SA-14:01]

Fix ntpd distributed reflection Denial of Service vulnerability.
[SA-14:02]

Fix BIND remote denial of service vulnerability. [SA-14:04]

Disable hardware RNGs by default. [EN-14:01]

Fix incorrect coalescing of stack entry with mmap. [EN-14:02]

Approved by:	so
Merge branch 'releng/9.2' of https://github.com/freebsd/freebsd into releng/9.2

Tag us as -p12, this pulls in all the recent spate of SA's

Conflicts:
	sys/conf/newvers.sh