OpenSSL compatibility for libodbc #54

Job	Run time
Build liboqs	1m 40s
Backend verify-only	1m 14s
Backend asm	1m 3s
Backend small-mem	1m 9s
Backend default	55s
Backend avx2	1m 4s
Backend avx2+small-mem	1m 0s
Backend double	1m 7s
Backend neon (ARM64)	53s
Interop (native Falcon vs liboqs Falcon)	1m 16s
	11m 21s

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