tdf#124176: Use pragma once instead of include guards

Change-Id: I72c978c9d392d1aba1ca99feeacee021835adf52
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93098
Tested-by: Jenkins
Reviewed-by: Eike Rathke <erack@redhat.com>
diff --git a/sc/source/filter/inc/addressconverter.hxx b/sc/source/filter/inc/addressconverter.hxx
index 0d5b3da..6447b1b 100644
--- a/sc/source/filter/inc/addressconverter.hxx
+++ b/sc/source/filter/inc/addressconverter.hxx
@@ -17,8 +17,7 @@
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#ifndef INCLUDED_SC_SOURCE_FILTER_INC_ADDRESSCONVERTER_HXX
#define INCLUDED_SC_SOURCE_FILTER_INC_ADDRESSCONVERTER_HXX
#pragma once

#include <vector>
#include <rangelst.hxx>
@@ -502,6 +501,5 @@ private:
} // namespace xls
} // namespace oox

#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */