Fix sm2 init failure. #1241

Job	Run time
basic_clang	4m 15s
check_update	1m 15s
address_ub_sanitizer	11m 8s
basic_gcc	4m 21s
enable_non-default_options	3m 40s
check-ansi	2m 5s
fips_and_ktls	4m 31s
legacy	3m 40s
memory_sanitizer	26m 3s
minimal	2m 12s
no-legacy	4m 12s
no-deprecated	4m 0s
non-caching	4m 18s
ntls_address_ub_sanitizer	9m 52s
no-shared (ubuntu-latest)	3m 9s
ntls_memory_sanitizer	19m 22s
no-shared (macos-latest)	3m 6s
symbol_prefix-test	7m 5s
threads_sanitizer	3m 28s
buildtest	6m 48s
EC_POINTs_api_test	19m 6s
external-test-pyca (1.51.0, 3.9)	1m 25s
ntls-with-fips	8m 2s
ntls-without-sm234	6m 55s
out-of-source-and-install (ubuntu-latest)	4m 24s
phe_test	36m 44s
out-of-source-and-install (macos-latest)	3m 52s
sm2-threshold-test	43m 28s
smtc_and_ntls	15m 6s
zkp-build-test	3m 28s
	4h 31m 0s

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