TCTI: Fix leak produced in Tss2_TctiLdr_Initialize_Ex #2127

Job	Run time
build-test (ubuntu-20.04, gcc)	4m 38s
build-test (ubuntu-20.04, clang)	4m 23s
scanbuild	6m 32s
test-coverage	5m 25s
build-test (fedora-32, gcc)	4m 42s
test-fuzz	2m 32s
build-test (fedora-32, clang)	4m 58s
build-test (opensuse-leap, gcc)	4m 37s
test-no-crypto-build	1m 23s
build-test (opensuse-leap, clang)	4m 44s
test-tcti-config	14m 10s
build-test (ubuntu-22.04, gcc)	4m 28s
build-test (ubuntu-22.04, clang)	4m 35s
build-test (alpine-3.15, gcc)	4m 1s
coverity-test	0s
test-mbedtls (ubuntu-20.04)	2m 50s
build-test (alpine-3.15, clang)	4m 46s
test-mbedtls (ubuntu-22.04-mbedtls-3.1)	2m 39s
	1h 21m 23s

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