Add trailing newline back to ssl.h.

Author: kareem-wolfssl

doc/dox_comments/header_files/ssl.h

@@ -15984,4 +15984,4 @@ void wolfSSL_CTX_set_default_passwd_cb(WOLFSSL_CTX* ctx,
     \sa wolfSSL_CTX_set_default_passwd_cb
 */
 void wolfSSL_CTX_set_default_passwd_cb_userdata(WOLFSSL_CTX* ctx,
-                                                   void* userdata);
+                                                   void* userdata);