Fix referenses in section 3 manuals

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1900)
diff --git a/doc/man3/BIO_f_ssl.pod b/doc/man3/BIO_f_ssl.pod
index 48bc150..d2046f2 100644
--- a/doc/man3/BIO_f_ssl.pod
+++ b/doc/man3/BIO_f_ssl.pod
@@ -9,10 +9,10 @@
 BIO_new_ssl_connect, BIO_new_buffer_ssl_connect, BIO_ssl_copy_session_id,
 BIO_ssl_shutdown - SSL BIO
 
-=for comment multiple includes
-
 =head1 SYNOPSIS
 
+=for comment multiple includes
+
  #include <openssl/bio.h>
  #include <openssl/ssl.h>