(xmlsec-nss) Ensure NSS algorithms are initialized (#754) #1191

Job	Run time
check-ubuntu-openssl111	1m 37s
check-mingw (MINGW64, x86_64, --enable-unicode=yes)	18m 1s
check-osx	10m 57s
check-ubuntu-openssl111 (--enable-static-linking=yes --without-nss --without-gcrypt --without-gnu...	1m 13s
check-msvc (mscng, unicode=yes with-dl=yes)	2m 37s
check-mingw (MINGW64, x86_64, --enable-static --enable-static-linking --enable-unicode=no --enabl...	11m 45s
check-msvc (mscng, unicode=no with-dl=no static=yes legacy-crypto=yes)	2m 40s
check-msvc (mscrypto, unicode=yes with-dl=yes)	1m 48s
check-ubuntu-openssl300	3m 19s
check-msvc (mscrypto, unicode=no with-dl=no static=yes legacy-crypto=yes)	1m 52s
check-ubuntu-openssl300 (--enable-static --enable-static-linking --without-nss --without-gcrypt -...	1m 17s
check-msvc (openssl-300, unicode=yes with-dl=yes)	6m 7s
check-ubuntu-openssl300 (--enable-static --enable-static-linking --enable-ftp --enable-md5 --enab...	1m 32s
check-msvc (openssl-300, unicode=no with-dl=no static=yes)	6m 9s
	1h 10m 54s

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