tdf#124176: Use pragma once instead of include guards

Change-Id: I4a4e18cf3c61aaebb467e43ebbf846e8860f4105
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/87388
Tested-by: Jenkins
Reviewed-by: Muhammet Kara <muhammet.kara@collabora.com>
diff --git a/formula/inc/core_resource.hxx b/formula/inc/core_resource.hxx
index 1990a36..8a8f49b 100644
--- a/formula/inc/core_resource.hxx
+++ b/formula/inc/core_resource.hxx
@@ -17,14 +17,11 @@
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#ifndef INCLUDED_FORMULA_SOURCE_CORE_INC_CORE_RESOURCE_HXX
#define INCLUDED_FORMULA_SOURCE_CORE_INC_CORE_RESOURCE_HXX
#pragma once

#include <rtl/ustring.hxx>
#include <formula/formuladllapi.h>

FORMULA_DLLPUBLIC OUString ForResId(const char *pId);

#endif // INCLUDED_FORMULA_SOURCE_CORE_INC_CORE_RESOURCE_HXX

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