Removing some trail characters at event description

* They are sometimes present after a \r\n\n

OpenChange/MAPIStoreAppointmentWrapper.m

@@ -1214,11 +1214,27 @@ static NSCharacterSet *hexCharacterSet = nil;
   return MAPISTORE_SUCCESS;
 }
 
+/*
+private static function parseDescriptionOc2Rc($description)
+{
+    $description = ltrim($description, ')');
+
+    if (strpos($description, "\r\n\n") !== false) {
+        $exploded = explode("\r\n\n", $description, -1);
+        $description = join($exploded, "\n");
+    }
+
+    return $description;
+}
+*/
+
 - (int) getPidTagBody: (void **) data
              inMemCtx: (TALLOC_CTX *) memCtx
 {
   int rc;
+  NSRange range;
   NSString *stringValue;
+  NSString *trimingString = @"\r\n\n";
 
   /* FIXME: there is a confusion in NGCards around "comment" and "description" */
   stringValue = [event comment];
@@ -1226,6 +1242,14 @@ static NSCharacterSet *hexCharacterSet = nil;
       && ![stringValue isEqualToString: @"\r\n"]
       && ![stringValue isEqualToString: @"\n"])
     {
+      /* Avoiding those trail weird characters at event description */
+      range = [stringValue rangeOfString: trimingString
+                                 options: NSBackwardsSearch];
+      if (range.location > 0)
+        {
+          stringValue = [stringValue substringToIndex: (NSMaxRange(range) -1)];
+        }
+
       rc = MAPISTORE_SUCCESS;
       *data = [stringValue asUnicodeInMemCtx: memCtx];
     }