esys: fix auth value handling in ChangeAuth programs. #458

Job	Run time
scanbuild	9m 0s
test-coverage	7m 29s
coverity-test	0s
build-test (ubuntu-18.04, gcc)	6m 46s
build-test (ubuntu-18.04, clang)	7m 23s
build-test (ubuntu-20.04, gcc)	7m 26s
build-test (ubuntu-20.04, clang)	6m 21s
build-test (fedora-32, gcc)	10m 26s
build-test (fedora-32, clang)	8m 15s
build-test (opensuse-leap, gcc)	9m 18s
build-test (opensuse-leap, clang)	9m 13s
build-test (ubuntu-22.04, gcc)	8m 23s
build-test (ubuntu-22.04, clang)	7m 52s
build-test (alpine-3.15, gcc)	5m 57s
build-test (alpine-3.15, clang)	7m 26s
test-fuzz	3m 25s
test-mbedtls (ubuntu-20.04)	3m 59s
test-mbedtls (ubuntu-22.04-mbedtls-3.1)	4m 7s
test-tcti-config	23m 48s
test-no-crypto-build	1m 37s
	2h 28m 11s

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