[FIX] report: avoid local file resources

Make sure building reports using local resources are disabled.
This avoids get different report result based on the system if the
given resources are or not present (e.g. custom style)

addons/report/models/report.py

@@ -522,7 +522,7 @@ class Report(osv.Model):
         :specific_paperformat_args: a dict containing prioritized wkhtmltopdf arguments
         :returns: list of string representing the wkhtmltopdf arguments
         """
-        command_args = []
+        command_args = ['--disable-local-file-access']
         if paperformat.format and paperformat.format != 'custom':
             command_args.extend(['--page-size', paperformat.format])