Add the options smb_encrypt_level to set the requested

encrypt level and smb_encrypt_on to query it.
Jeremy.
(This used to be commit 07d47996f9)

source3/include/libsmb_internal.h

@@ -106,6 +106,13 @@ struct smbc_internal_data {
          * and retrieved with smbc_option_set() and smbc_option_get().
          */
         void * _user_data;
+
+        /*
+         * Should we attempt UNIX smb encryption ? 
+         * Set to 0 if we should never attempt, set to 1 if
+         * encryption requested, set to 2 if encryption required.
+         */
+        int _smb_encryption_level;
 };