tdf#143148: Use pragma once instead of include guards

Change-Id: I97524116acf345112eed477b594a9caefb635157
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/193636
Reviewed-by: Ilmari Lauhakangas <ilmari.lauhakangas@libreoffice.org>
Tested-by: Jenkins

salhelper/test/dynamicloader/samplelib.hxx

@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_SALHELPER_TEST_DYNAMICLOADER_SAMPLELIB_HXX
-#define INCLUDED_SALHELPER_TEST_DYNAMICLOADER_SAMPLELIB_HXX
+#pragma once
 
 #include <sal/types.h>
 
@@ -35,6 +34,4 @@ typedef SampleLib_Api* (*InitSampleLib_Api)(void);
 sal_Int32 SAL_CALL funcA(sal_Int32 a);
 double SAL_CALL funcB(double a);
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

salhelper/test/rtti/samplelibrtti.hxx

@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_SALHELPER_TEST_RTTI_SAMPLELIBRTTI_HXX
-#define INCLUDED_SALHELPER_TEST_RTTI_SAMPLELIBRTTI_HXX
+#pragma once
 
 class MyClassA
 {
@@ -40,6 +39,4 @@ protected:
     virtual void funcC();
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sax/inc/xml2utf.hxx

@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_SAX_INC_XML2UTF_HXX
-#define INCLUDED_SAX_INC_XML2UTF_HXX
+#pragma once
 
 #include <sal/config.h>
 
@@ -124,6 +123,4 @@ private:
 };
 }
 
-#endif // INCLUDED_SAX_INC_XML2UTF_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sax/source/tools/CachedOutputStream.hxx

@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_SAX_SOURCE_TOOLS_CACHEDOUTPUTSTREAM_HXX
-#define INCLUDED_SAX_SOURCE_TOOLS_CACHEDOUTPUTSTREAM_HXX
+#pragma once
 
 #include <sal/types.h>
 #include <rtl/byteseq.hxx>
@@ -116,6 +115,4 @@ public:
 
 }
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sax/source/tools/fastserializer.hxx

@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_SAX_SOURCE_TOOLS_FASTSERIALIZER_HXX
-#define INCLUDED_SAX_SOURCE_TOOLS_FASTSERIALIZER_HXX
+#pragma once
 
 #include <com/sun/star/xml/sax/XFastTokenHandler.hpp>
 #include <com/sun/star/io/XOutputStream.hpp>
@@ -253,6 +252,4 @@ private:
 
 } // namespace sax_fastparser
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sax/test/sax/factory.hxx

@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_SAX_TEST_SAX_FACTORY_HXX
-#define INCLUDED_SAX_TEST_SAX_FACTORY_HXX
+#pragma once
 
 #include <rtl/strbuf.hxx>
 
@@ -75,6 +74,4 @@ Sequence<OUString> OSaxWriterTest_getSupportedServiceNames( ) throw();
         }\
         ((void)0)
 
-#endif // INCLUDED_SAX_TEST_SAX_FACTORY_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */