tdf#143148 use pragma once instead of include guards

Change-Id: Icc27e0ebb8fe68d1171e7075e93e7ca74569c0b6
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/159860
Tested-by: Jenkins
Reviewed-by: Taichi Haradaguchi <20001722@ymail.ne.jp>

i18npool/source/search/textsearch.hxx

@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_I18NPOOL_SOURCE_SEARCH_TEXTSEARCH_HXX
-#define INCLUDED_I18NPOOL_SOURCE_SEARCH_TEXTSEARCH_HXX
+#pragma once
 
 #include <cppuhelper/implbase.hxx>
 #include <com/sun/star/util/XTextSearch2.hpp>
@@ -156,6 +155,4 @@ public:
     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */