Move slideshow include files to common include directory

...that are included from various places.  Change done in preparation of
loplugin:includeform.

Change-Id: I6507189a380a547321903d71e3cb425c37bb16ad
Reviewed-on: https://gerrit.libreoffice.org/43563Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

slideshow/source/engine/effectrewinder.cxx

@@ -22,7 +22,7 @@
 #include "eventqueue.hxx"
 #include "usereventqueue.hxx"
 #include "mouseeventhandler.hxx"
-#include "animationnodes/basecontainernode.hxx"
+#include "basecontainernode.hxx"
 #include "delayevent.hxx"
 
 #include <com/sun/star/awt/MouseEvent.hpp>

slideshow/source/engine/animationnodes/basecontainernode.hxx → slideshow/source/inc/basecontainernode.hxx

@@ -16,8 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_BASECONTAINERNODE_HXX
-#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_BASECONTAINERNODE_HXX
+#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_BASECONTAINERNODE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_INC_BASECONTAINERNODE_HXX
 
 #include "basenode.hxx"
 
@@ -96,6 +96,6 @@ typedef ::std::shared_ptr< BaseContainerNode > BaseContainerNodeSharedPtr;
 } // namespace interface
 } // namespace presentation
 
-#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_BASECONTAINERNODE_HXX
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

slideshow/source/engine/animationnodes/basenode.hxx → slideshow/source/inc/basenode.hxx

@@ -16,8 +16,8 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_BASENODE_HXX
-#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_BASENODE_HXX
+#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_BASENODE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_INC_BASENODE_HXX
 
 #include <tools/diagnose_ex.h>
 #include <osl/diagnose.hxx>
@@ -205,6 +205,6 @@ typedef ::std::shared_ptr< BaseNode > BaseNodeSharedPtr;
 } // namespace internal
 } // namespace slideshow
 
-#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ANIMATIONNODES_BASENODE_HXX
+#endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */