FreeBSD-main-amd64-test - Build #20558 - Fixed

FreeBSD-main-amd64-test - Build #20558 (ef061a2e2978a5e0fbfe2766ff7ab8f529bbd966) - Fixed

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20558/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20558/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/20558/console

Change summaries:
(Those commits are likely but not certainly responsible)

aaa6fa65a6a03ca6cef9bde47341a2ded7c4fed6 by kib:
libc/locale/xlocale.c: minor style

fcdf9d7de5363259e33be29bccc8b2b5dc091af8 by kib:
xlocale.c:init_key(): do not ignore errors from pthread_key_create()

b68522308d1e0b19c00d82c13878a693fc2ef2df by kib:
xlocale.c: check for allocation failure

7bf532c9d447bfdf03f42a5c5092fb74740722b2 by kib:
xlocale.c: only call init_key() when locale was successfully allocated

a8be0611674ed33802bbf0f26012fe7855f36fdc by kib:
libc/locale/collate.c: minor style

b8ad908ad98a6f2d8ffff979c2abb7895c55a82b by kib:
__collate_load(): check for calloc failure

5b7e92d48fbc94b8a95a9f96ab501de5af1ed115 by kib:
libc/locale/lmessages.c: minor style

bc9ce839f9811ee9e3990bb26c00031a84fa50bd by kib:
__messages_load(): check for calloc() failure

0fed1e6f1831a4f4cf8d000465afeea8165d3523 by kib:
libc/locale/lmonetary.c: minor style

4d3b84f67c2e1c75414ba52578364e729f425103 by kib:
__monetary_load(): check for calloc() failure

1aa669c5f9c233989204de96e0557459378e85bc by kib:
libc/locale/lnumeric.c: minor style

87151b60e069fd16530fd36aace85d651b936c01 by kib:
__numeric_load(): check for calloc() failure

ef061a2e2978a5e0fbfe2766ff7ab8f529bbd966 by kib:
__ctype_load(): check for calloc() failure