credential: fix typo on credential request notification message references

bt5/erp5_credential/PathTemplateItem/notification_message_module/20100928-1F79.xml

@@ -66,7 +66,7 @@
         </item>
         <item>
             <key> <string>default_reference</string> </key>
-            <value> <string>crendential_request-confirmation-with-password</string> </value>
+            <value> <string>credential_request-confirmation-with-password</string> </value>
         </item>
         <item>
             <key> <string>description</string> </key>

bt5/erp5_credential/PathTemplateItem/notification_message_module/20100928-212A.xml

@@ -66,7 +66,7 @@
         </item>
         <item>
             <key> <string>default_reference</string> </key>
-            <value> <string>crendential_request-confirmation-without-password</string> </value>
+            <value> <string>credential_request-confirmation-without-password</string> </value>
         </item>
         <item>
             <key> <string>description</string> </key>

bt5/erp5_credential/PathTemplateItem/notification_message_module/20100928-7459.xml

@@ -66,7 +66,7 @@
         </item>
         <item>
             <key> <string>default_reference</string> </key>
-            <value> <string>crendential_request-confirmation-without-password</string> </value>
+            <value> <string>credential_request-confirmation-without-password</string> </value>
         </item>
         <item>
             <key> <string>description</string> </key>

bt5/erp5_credential/SkinTemplateItem/portal_skins/erp5_credential/CredentialRequest_sendAcceptedNotification.py

@@ -12,7 +12,7 @@ if password:
   notification_type = "with-password"
 
 #Get message from catalog
-notification_reference = 'crendential_request-confirmation-%s' % notification_type
+notification_reference = 'credential_request-confirmation-%s' % notification_type
 notification_message = portal.portal_notifications.getDocumentValue(reference=notification_reference, 
                                                                     language=recipient.getLanguage())
 if notification_message is None: