backport SVN commit 830558 by winterz:

make sure that changes to the xml file are merged in.
this seems to fix the saving of shortcut changes in the kmail component.

svn path=/branches/KDE/4.1/kdepim/; revision=830690

kmail_part.cpp

@@ -120,7 +120,7 @@ KMailPart::KMailPart(QWidget *parentWidget, QObject *parent, const QVariantList
   connect( mainWidget->folderTree(), SIGNAL(nameChanged(KMFolderTreeItem*)),
            this, SLOT(slotNameChanged(KMFolderTreeItem*)) );
 
-  setXMLFile( "kmail_part.rc" );
+  setXMLFile( "kmail_part.rc", true );
 #endif
 
   KSettings::Dispatcher::registerComponent( KMailFactory::componentData(), mKMailKernel, "slotConfigChanged" );