Fixed windows platform plugin with -qtnamespace.

Added missing QT_BEGIN_NAMESPACE/QT_END_NAMESPACE

Change-Id: I2ffc5ec18d19027c01c81ba9c29f6d7cac5e9619
Reviewed-by: Toby Tomkins <toby.tomkins@nokia.com>

src/plugins/platforms/windows/accessible/comutils.cpp

@@ -51,6 +51,8 @@
 #include <QtCore/qbytearray.h>
 #include <QtGui/qcolor.h>
 
+QT_BEGIN_NAMESPACE
+
 static DATE QDateTimeToDATE(const QDateTime &dt)
 {
     if (!dt.isValid() || dt.isNull())
@@ -639,3 +641,5 @@ bool QVariantToVARIANT(const QVariant &var, VARIANT &arg, const QByteArray &type
     return true;
 }
 
+QT_END_NAMESPACE
+

src/plugins/platforms/windows/accessible/comutils.h

@@ -48,6 +48,8 @@
 #include <ocidl.h>
 #include <QtCore/qstring.h>
 
+QT_BEGIN_NAMESPACE
+
 class QVariant;
 
 bool QVariantToVARIANT(const QVariant &var, VARIANT &arg, const QByteArray &typeName, bool out);
@@ -57,5 +59,7 @@ inline BSTR QStringToBSTR(const QString &str)
     return SysAllocStringLen((OLECHAR*)str.unicode(), str.length());
 }
 
+QT_END_NAMESPACE
+
 #endif // COMUTILS_H