collectd: don't build with -Werror

Fixes http://autobuild.buildroot.net/results/09659472f504a364590727a05ac900108ed027b4

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
flashbench: force gnu99 dialect on sh2a

Fixes:
http://autobuild.buildroot.org/results/33880036054c39cb04dad71bc8c0a9eece16fac6

CodeSourcery toolchains for sh2a only provide LLONG_MAX when
used with the gnu99 dialect.

Signed-off-by: Gilles Talis <gilles.talis@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
quota: needs mmu

Fixes http://autobuild.buildroot.net/results/85e3c73d1c0b5c6843d65a487203b20f62bf3075

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
libupnp: requires threads

Fixes:
http://autobuild.buildroot.net/results/ac5a18a6241d36a751cce1867c4da63047eafbaa/

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
busybox: 1.21.1 fix for move_to_unaligned16()

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
busybox: add 1.21.0 xz fix

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
busybox: 1.21.0 platform fix-on-fix

The unxz hunk was missing.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Merge branch 'master' of git://git.buildroot.net/buildroot