Add missing commas in pod files

Reviewed-by: Rich Salz <rsalz@openssl.org>
GH: #3557
diff --git a/doc/man3/SSL_CTX_dane_enable.pod b/doc/man3/SSL_CTX_dane_enable.pod
index fb535ec..f1a6ae2 100644
--- a/doc/man3/SSL_CTX_dane_enable.pod
+++ b/doc/man3/SSL_CTX_dane_enable.pod
@@ -3,7 +3,7 @@
 =head1 NAME
 
 SSL_CTX_dane_enable, SSL_CTX_dane_mtype_set, SSL_dane_enable,
-SSL_dane_tlsa_add, SSL_get0_dane_authority, SSL_get0_dane_tlsa
+SSL_dane_tlsa_add, SSL_get0_dane_authority, SSL_get0_dane_tlsa,
 SSL_CTX_dane_set_flags, SSL_CTX_dane_clear_flags,
 SSL_dane_set_flags, SSL_dane_clear_flags -
 enable DANE TLS authentication of the remote TLS server in the local