Merge remote-tracking branch 'nl6720/LC_ALL'

* nl6720/LC_ALL:
  mkarchiso: set LC_ALL instead of LANG
7 jobs for master in 45 minutes and 56 seconds (queued for 7 seconds)
Status Name Job ID Coverage
  Check
passed check #29006

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  Build
passed build_long: [baseline iso] #29009
fast-single-thread

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passed build_long: [baseline netboot] #29010
fast-single-thread

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passed build_long: [releng iso] #29011
fast-single-thread

00:45:38

passed build_long: [releng netboot] #29012
fast-single-thread

00:44:16

passed build_short: [baseline bootstrap] #29007

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passed build_short: [releng bootstrap] #29008

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