Add class QDebugStateSaver for writing QDebug operators correctly

Had to move QTextStreamPrivate to a private header, to be able to use
its new internal Params struct from qdebug.cpp

Change-Id: If28e25f27bbd04b1825a5eb3e2ef83ecad72e7b2
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/corelib/io/qtextstream.h b/src/corelib/io/qtextstream.h
index cf19721bee..3a26c78be8 100644
--- a/src/corelib/io/qtextstream.h
+++ b/src/corelib/io/qtextstream.h
@@ -194,6 +194,7 @@ public:
 
 private:
     Q_DISABLE_COPY(QTextStream)
+    friend class QDebugStateSaverPrivate;
 
     QScopedPointer<QTextStreamPrivate> d_ptr;
 };