Add missing pragma once in header files

Signed-off-by: Daniel Chabrowski <daniel.chabrowski@intel.com>

shared/offline_compiler/source/ocloc_arg_helper.h

@@ -5,6 +5,8 @@
  *
  */
 
+#pragma once
+
 #include "shared/offline_compiler/source/decoder/helper.h"
 #include "shared/source/helpers/hw_info.h"
 
@@ -19,8 +21,6 @@
 #include <string>
 #include <vector>
 
-#pragma once
-
 static constexpr auto *oclocStdoutLogName = "stdout.log";
 
 struct Source {