[FIX] base_suspend_security: Adapt to upstream

On 9af8b31d921dcccb7bcf230271fd3ef4R4329, a new keyword argument was added
for `_browse`, so any overriding needs to add that argument, as it's the case
for this module.

base_suspend_security/README.rst

@@ -8,6 +8,12 @@ This module was written to  allow you to call code with some `uid` while being s
 
 Usually, you'll be in in the situation to want something like this if you inherit from a module you can't or don't want to change, and call `super()`.
 
+Installation
+============
+
+This version is only valid for being used since Odoo commit
+9af8b31d921dcccb7bcf230271fd3ef4R4329 (merged on 2019-02-04).
+
 Usage
 =====
 

base_suspend_security/models/res_users.py

@@ -25,11 +25,11 @@ class ResUsers(models.Model):
     _inherit = 'res.users'
 
     @classmethod
-    def _browse(cls, ids, env, prefetch=None):
+    def _browse(cls, ids, env, prefetch=None, add_prefetch=True):
         """be sure we browse ints, ids laread is normalized"""
         return super(ResUsers, cls)._browse(
             [
                 i if not isinstance(i, BaseSuspendSecurityUid)
                 else super(BaseSuspendSecurityUid, i).__int__()
                 for i in ids
-            ], env, prefetch=prefetch)
+            ], env, prefetch=prefetch, add_prefetch=add_prefetch)