5 files changed, 19 insertions, 2 deletions
diff --git a/examples/opengl/cube/mainwidget.h b/examples/opengl/cube/mainwidget.h
index c6da29f..eb509d0 100644
--- a/examples/opengl/cube/mainwidget.h
+++ b/examples/opengl/cube/mainwidget.h
@@ -48,8 +48,10 @@
 #include <QQuaternion>
 #include <QVector2D>
 
+QT_BEGIN_NAMESPACE
 class QBasicTimer;
 class QGLShaderProgram;
+QT_END_NAMESPACE
 
 class GeometryEngine;
 
diff --git a/examples/webkit/simplewebplugin/csvfactory.h b/examples/webkit/simplewebplugin/csvfactory.h
index e3013b1..0168dc2 100644
--- a/examples/webkit/simplewebplugin/csvfactory.h
+++ b/examples/webkit/simplewebplugin/csvfactory.h
@@ -44,10 +44,10 @@
 #include <QNetworkRequest>
 #include <QWebPluginFactory>
 
-QT_BEGIN_NAMESPACE
 class QNetworkAccessManager;
 class QNetworkReply;
-QT_END_NAMESPACE
+
+QT_BEGIN_NAMESPACE
 
 //! [plugin factory]
 class CSVFactory : public QWebPluginFactory
@@ -66,4 +66,6 @@ private:
 };
 //! [plugin factory]
 
+QT_END_NAMESPACE
+
 #endif
diff --git a/examples/webkit/webftpclient/ftpreply.h b/examples/webkit/webftpclient/ftpreply.h
index ca0a271..65c8c66 100644
--- a/examples/webkit/webftpclient/ftpreply.h
+++ b/examples/webkit/webftpclient/ftpreply.h
@@ -46,6 +46,10 @@
 #include <QUrlInfo>
 #include <QFtp>
 
+QT_BEGIN_NAMESPACE
+class QFtp;
+QT_END_NAMESPACE
+
 //! [class definition]
 class FtpReply : public QNetworkReply
 {
diff --git a/examples/webkit/webftpclient/ftpview.h b/examples/webkit/webftpclient/ftpview.h
index 544c0a9..ae4f9c1 100644
--- a/examples/webkit/webftpclient/ftpview.h
+++ b/examples/webkit/webftpclient/ftpview.h
@@ -41,6 +41,9 @@
 #include <QWebView>
 
 class Downloader;
+QT_BEGIN_NAMESPACE
+class QNetworkAccessManager;
+QT_END_NAMESPACE
 
 class FtpView : public QWebView
 {
diff --git a/examples/widgets/orientation/mainwindow.h b/examples/widgets/orientation/mainwindow.h
index 745497c..29ccf06 100644
--- a/examples/widgets/orientation/mainwindow.h
+++ b/examples/widgets/orientation/mainwindow.h
@@ -46,6 +46,10 @@
 #include "ui_landscape.h"
 #include "ui_portrait.h"
 
+class QAbstractButton;
+
+QT_BEGIN_NAMESPACE
+
 //! [0]
 class MainWindow : public QWidget
 {
@@ -68,4 +72,6 @@ private:
 };
 //! [0]
 
+QT_END_NAMESPACE
+
 #endif // MAINWINDOW_H