tdf#143148: Replace include guards with #pragma once

Change-Id: Id1eeaed579472a654eb777653f37c9edb43a7a82
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/202694
Tested-by: Jenkins
Reviewed-by: Ilmari Lauhakangas <ilmari.lauhakangas@libreoffice.org>

sw/source/uibase/inc/concustomshape.hxx

@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_SW_SOURCE_UIBASE_INC_CONCUSTOMSHAPE_HXX
-#define INCLUDED_SW_SOURCE_UIBASE_INC_CONCUSTOMSHAPE_HXX
+#pragma once
 
 #include <rtl/ustring.hxx>
 #include "drawbase.hxx"
@@ -53,6 +52,4 @@ class ConstCustomShape final : public SwDrawBase
     virtual bool doConstructOrthogonal() const override;
 };
 
-#endif // INCLUDED_SW_SOURCE_UIBASE_INC_CONCUSTOMSHAPE_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */