testing/lout: prevent segfault in musl's catgets

$ gdb --args lout --help
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7f88899 in catgets () from /lib/ld-musl-x86_64.so.1

Use suggested improvements from apkbuild-lint.

Add maintainer.
7 jobs for !13861 with lout-useloc in 36 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Lint
passed #232571
docker-alpine x86_64
lint

00:00:23

 
  Build
failed #232576
docker-alpine ci-build aarch64
build-aarch64

00:00:07

failed #232577
docker-alpine ci-build armv7
build-armv7

00:00:10

failed #232575
docker-alpine ci-build ppc64le
build-ppc64le

00:00:10

failed #232574
docker-alpine ci-build s390x
build-s390x

00:00:08

failed #232573
docker-alpine ci-build x86
build-x86

00:00:07

failed #232572
docker-alpine ci-build x86_64
build-x86_64

00:00:07

 
Name Stage Failure
failed
build-x86 Build
No job log
failed
build-aarch64 Build
No job log
failed
build-armv7 Build
No job log
failed
build-x86_64 Build
No job log
failed
build-s390x Build
No job log
failed
build-ppc64le Build
No job log