Fix SYNOPSIS for ASN1_ENUMERATED_get_int64 and ASN1_ENUMERATED_set_int64

Reviewed-by: NRichard Levitte <levitte@openssl.org>
Reviewed-by: NMatt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9823)

(cherry picked from commit 2aa28a1abc893fb16b99ba77e2fecb1cbc8769c7)

doc/man3/ASN1_INTEGER_get_int64.pod

@@ -22,10 +22,10 @@ ASN1_INTEGER_get_int64, ASN1_INTEGER_get, ASN1_INTEGER_set_int64, ASN1_INTEGER_s
  ASN1_INTEGER *BN_to_ASN1_INTEGER(const BIGNUM *bn, ASN1_INTEGER *ai);
  BIGNUM *ASN1_INTEGER_to_BN(const ASN1_INTEGER *ai, BIGNUM *bn);
 
- int ASN1_ENUMERATED_get_int64(int64_t *pr, const ASN1_INTEGER *a);
+ int ASN1_ENUMERATED_get_int64(int64_t *pr, const ASN1_ENUMERATED *a);
  long ASN1_ENUMERATED_get(const ASN1_ENUMERATED *a);
 
- int ASN1_ENUMERATED_set_int64(ASN1_INTEGER *a, int64_t r);
+ int ASN1_ENUMERATED_set_int64(ASN1_ENUMERATED *a, int64_t r);
  int ASN1_ENUMERATED_set(ASN1_ENUMERATED *a, long v);
 
  ASN1_ENUMERATED *BN_to_ASN1_ENUMERATED(BIGNUM *bn, ASN1_ENUMERATED *ai);