Add regression expected-files for older OpenSSL in FIPS mode.

Cover contrib/pgcrypto, per buildfarm.

Author: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/443709.1757876535@sss.pgh.pa.us
Backpatch-through: 17

contrib/pgcrypto/expected/hmac-md5_2.out

@@ -0,0 +1,44 @@
+--
+-- HMAC-MD5
+--
+SELECT hmac(
+'Hi There',
+'\x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b'::bytea,
+'md5');
+ERROR:  Cannot use "md5": No such hash algorithm
+-- 2
+SELECT hmac(
+'Jefe',
+'what do ya want for nothing?',
+'md5');
+ERROR:  Cannot use "md5": No such hash algorithm
+-- 3
+SELECT hmac(
+'\xdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd'::bytea,
+'\xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'::bytea,
+'md5');
+ERROR:  Cannot use "md5": No such hash algorithm
+-- 4
+SELECT hmac(
+'\xcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd'::bytea,
+'\x0102030405060708090a0b0c0d0e0f10111213141516171819'::bytea,
+'md5');
+ERROR:  Cannot use "md5": No such hash algorithm
+-- 5
+SELECT hmac(
+'Test With Truncation',
+'\x0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c'::bytea,
+'md5');
+ERROR:  Cannot use "md5": No such hash algorithm
+-- 6
+SELECT hmac(
+'Test Using Larger Than Block-Size Key - Hash Key First',
+'\xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'::bytea,
+'md5');
+ERROR:  Cannot use "md5": No such hash algorithm
+-- 7
+SELECT hmac(
+'Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data',
+'\xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'::bytea,
+'md5');
+ERROR:  Cannot use "md5": No such hash algorithm

contrib/pgcrypto/expected/md5_2.out

@@ -0,0 +1,17 @@
+--
+-- MD5 message digest
+--
+SELECT digest('', 'md5');
+ERROR:  Cannot use "md5": No such hash algorithm
+SELECT digest('a', 'md5');
+ERROR:  Cannot use "md5": No such hash algorithm
+SELECT digest('abc', 'md5');
+ERROR:  Cannot use "md5": No such hash algorithm
+SELECT digest('message digest', 'md5');
+ERROR:  Cannot use "md5": No such hash algorithm
+SELECT digest('abcdefghijklmnopqrstuvwxyz', 'md5');
+ERROR:  Cannot use "md5": No such hash algorithm
+SELECT digest('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789', 'md5');
+ERROR:  Cannot use "md5": No such hash algorithm
+SELECT digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'md5');
+ERROR:  Cannot use "md5": No such hash algorithm