Fix typo in UTC timezone log

trytond/server.py

@@ -50,7 +50,7 @@ class TrytonServer(object):
         self.options = options
 
         if time.tzname != ('UTC', 'UTC'):
-            self.logger.error('timezeone is not set to UTC')
+            self.logger.error('timezone is not set to UTC')
 
     def run(self):
         "Run the server and never return"