Make include files found through -Ichart2/source/inc

...instead of implicitly next to the including file, in preparation of
loplugin:includeform

Change-Id: Ie7ea504e6c7d7fbe1ae5f1f3b6996ad03feaee76

chart2/source/inc/chartview/DataPointSymbolSupplier.hxx

@@ -23,7 +23,7 @@
 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
 #include <com/sun/star/drawing/Direction3D.hpp>
 #include <com/sun/star/drawing/XShapes.hpp>
-#include "chartviewdllapi.hxx"
+#include "chartview/chartviewdllapi.hxx"
 
 namespace chart
 {

chart2/source/inc/chartview/DrawModelWrapper.hxx

@@ -26,7 +26,7 @@
 #include <com/sun/star/uno/XComponentContext.hpp>
 #include <com/sun/star/drawing/XDrawPage.hpp>
 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
-#include "chartviewdllapi.hxx"
+#include "chartview/chartviewdllapi.hxx"
 
 namespace chart
 {

chart2/source/inc/chartview/ExplicitScaleValues.hxx

@@ -19,7 +19,7 @@
 #ifndef INCLUDED_CHART2_SOURCE_INC_CHARTVIEW_EXPLICITSCALEVALUES_HXX
 #define INCLUDED_CHART2_SOURCE_INC_CHARTVIEW_EXPLICITSCALEVALUES_HXX
 
-#include "chartviewdllapi.hxx"
+#include "chartview/chartviewdllapi.hxx"
 #include <com/sun/star/chart/TimeInterval.hpp>
 #include <com/sun/star/chart/TimeUnit.hpp>
 #include <com/sun/star/chart2/AxisOrientation.hpp>

chart2/source/inc/chartview/ExplicitValueProvider.hxx

@@ -19,7 +19,7 @@
 #ifndef INCLUDED_CHART2_SOURCE_INC_CHARTVIEW_EXPLICITVALUEPROVIDER_HXX
 #define INCLUDED_CHART2_SOURCE_INC_CHARTVIEW_EXPLICITVALUEPROVIDER_HXX
 
-#include "ExplicitScaleValues.hxx"
+#include "chartview/ExplicitScaleValues.hxx"
 
 #include <com/sun/star/chart2/XAxis.hpp>
 #include <com/sun/star/chart2/XCoordinateSystem.hpp>
@@ -28,7 +28,7 @@
 #include <com/sun/star/awt/Rectangle.hpp>
 #include <com/sun/star/drawing/XShape.hpp>
 #include <com/sun/star/util/XNumberFormatsSupplier.hpp>
-#include "chartviewdllapi.hxx"
+#include "chartview/chartviewdllapi.hxx"
 #include "ChartModel.hxx"
 
 #include <memory>