[FIX #735] remove warning

src/qtgui/WQtGLWidget.cpp

@@ -51,15 +51,16 @@
 #include "events/WEventTypes.h"
 #include "events/WRenderedFrameEvent.h"
 
-WQtGLWidget::WQtGLWidget( std::string nameOfViewer, QWidget* parent, WGECamera::ProjectionMode projectionMode, const QWidget* shareWidget ):
 #ifdef OW_QT_GLWIDGET
+WQtGLWidget::WQtGLWidget( std::string nameOfViewer, QWidget* parent, WGECamera::ProjectionMode projectionMode, const QWidget* /* shareWidget */ ):
     QOpenGLWidget( parent ),
 #else
+WQtGLWidget::WQtGLWidget( std::string nameOfViewer, QWidget* parent, WGECamera::ProjectionMode projectionMode, const QWidget* shareWidget ):
     QGLWidget( getDefaultFormat(), parent, dynamic_cast< const QGLWidget* >( shareWidget ) ),
 #endif
-      m_nameOfViewer( nameOfViewer ),
-      m_firstPaint( true ),
-      m_firstFrame( true )
+    m_nameOfViewer( nameOfViewer ),
+    m_firstPaint( true ),
+    m_firstFrame( true )
 {
 #ifdef OW_QT_GLWIDGET
     setFormat( getDefaultFormat() );