[xml] add missing CONFIGURATION_DEP

diff --git a/mcs/class/System.XML/System.Xml.Serialization/XmlSerializer.cs b/mcs/class/System.XML/System.Xml.Serialization/XmlSerializer.cs
index 35d149a4ebefdd20b7f784e97c7a1e9254aad009..aa2852faf196b08b887679ada589ac6bd6b3c5f2 100644 (file)
--- a/mcs/class/System.XML/System.Xml.Serialization/XmlSerializer.cs
+++ b/mcs/class/System.XML/System.Xml.Serialization/XmlSerializer.cs
@@ -150,7 +150,7 @@ namespace System.Xml.Serialization
                        }
 #endif
                        deleteTempFiles = (db == null || db == "no");
-#if !NET_2_1
+#if !NET_2_1 && CONFIGURATION_DEP
                        // DiagnosticsSection
                        ConfigurationSection table = (ConfigurationSection) ConfigurationSettings.GetConfig("system.diagnostics");
                        var bf = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance;