Update EVP_VerifyInit.pod

Method name correction.

CLA: trivial
Reviewed-by: NMatt Caswell <matt@openssl.org>
Reviewed-by: NMatthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/9052)

(cherry picked from commit 3c9a8d4a5155e1b02fab63ea97b8131eadda8320)

doc/man3/EVP_VerifyInit.pod

@@ -72,7 +72,7 @@ data have been passed through EVP_SignUpdate().
 
 It is not possible to change the signing parameters using these function.
 
-The previous two bugs are fixed in the newer EVP_VerifyDigest*() function.
+The previous two bugs are fixed in the newer EVP_DigestVerify*() function.
 
 =head1 SEE ALSO