Fix Qt5 gui plugins

...ui-plugins/DebugDrawerViewer/DebugDrawerViewerGuiPlugin.h

...e/RobotAPI/gui-plugins/HandUnitPlugin/HandUnitGuiPlugin.h

...botAPI/gui-plugins/HapticUnitPlugin/HapticUnitGuiPlugin.h

...usMatrixCalculator/HomogeneousMatrixCalculatorGuiPlugin.h

.../gui-plugins/KinematicUnitPlugin/KinematicUnitGuiPlugin.h

...-plugins/LaserScannerPlugin/LaserScannerPluginGuiPlugin.h

...PI/gui-plugins/PlatformUnitPlugin/PlatformUnitGuiPlugin.h

...PI/gui-plugins/RobotUnitPlugin/RobotUnitPluginGuiPlugin.h

...tAPI/gui-plugins/RobotViewerPlugin/RobotViewerGuiPlugin.h

...ugins/SensorActorWidgetsPlugin/SensorActorWidgetsPlugin.h

...botAPI/gui-plugins/ViewSelection/ViewSelectionGuiPlugin.h