normalize includes: common

common/memory_mapped_file.h

@@ -16,11 +16,11 @@
 	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
 
-#ifndef _EQEMU_MEMORYMAPPEDFILE_H_
-#define _EQEMU_MEMORYMAPPEDFILE_H_
+#pragma once
+
+#include "common/types.h"
 
 #include <string>
-#include "types.h"
 
 namespace EQ {
 
@@ -82,5 +82,3 @@ namespace EQ {
 		Implementation *imp_; //!< Underlying implementation.
 	};
 } // EQEmu
-
-#endif