Fix enc #246

Job	Run time
build-linux	1h 10m 20s
build-linux-cmake-with-folly	1m 15s
build-linux-cmake-with-folly-lite-no-test	40m 35s
build-linux-cmake-with-benchmark	1h 40m 19s
build-linux-cmake-with-folly-coroutines	1m 7s
build-linux-encrypted_env-no_compression-no_openssl	1h 42m 58s
build-linux-encrypted_env-openssl-special (provider={id=AES;hex_instance_key=0123456789ABCDEF0123...	34m 40s
build-linux-encrypted_env-openssl-basic (id=AES;hex_instance_key=0123456789ABCDEF0123456789ABCDEF...	1h 47m 0s
build-linux-encrypted_env-openssl-special (provider={id=AES;hex_instance_key=0123456789ABCDEF0123...	41m 59s
build-linux-encrypted_env-openssl-basic (id=AES;hex_instance_key=0123456789ABCDEF0123456789ABCDEF...	1h 52m 15s
build-linux-encrypted_env-openssl-special (provider={id=AES;hex_instance_key=0123456789ABCDEF0123...	40m 5s
build-linux-encrypted_env-openssl-basic (id=AES;hex_instance_key=0123456789ABCDEF0123456789ABCDEF...	2h 12m 15s
build-linux-encrypted_env-openssl-special (provider={id=AES;hex_instance_key=0123456789ABCDEF0123...	38m 34s
build-linux-encrypted_env-openssl-basic (id=AES;hex_instance_key=0123456789ABCDEF0123456789ABCDEF...	1h 38m 31s
build-linux-gcc-7-with-folly	1m 25s
build-linux-gcc-7-with-folly-lite-no-test	36m 42s
	16h 0m 0s

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