(xmlsec-openssl) Fix build if OpenSSL 3.0 doesn't have engines #1317

Job	Run time
check-osx	11m 3s
check-msvc (mscng, unicode=yes with-dl=yes)	2m 55s
check-mingw (MINGW64, x86_64, --enable-unicode=yes)	17m 5s
check-msvc (mscng, unicode=no with-dl=no static=yes legacy-crypto=yes)	2m 59s
check-mingw (MINGW64, x86_64, --enable-static --enable-static-linking --enable-unicode=no --enabl...	10m 48s
check-ubuntu	3m 17s
check-msvc (mscrypto, unicode=yes with-dl=yes)	1m 57s
check-ubuntu-openssl-111	1m 32s
check-ubuntu (--enable-static --enable-static-linking --disable-openssl3-engines --without-nss --...	1m 14s
check-msvc (mscrypto, unicode=no with-dl=no static=yes legacy-crypto=yes)	2m 18s
check-ubuntu-openssl-111 (--enable-static-linking=yes --without-nss --without-gcrypt --without-gn...	1m 15s
check-ubuntu (--enable-static --enable-static-linking --enable-ftp --enable-md5 --enable-gost --e...	1m 6s
check-msvc (openssl-300, unicode=yes with-dl=yes)	6m 27s
check-msvc (openssl-300, unicode=no with-dl=no static=yes)	6m 34s
	1h 10m 30s

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