[1704] Change search style for includes in the interprocess_sync_* headers

src/lib/util/interprocess_sync_file.h

@@ -15,8 +15,8 @@
 #ifndef __INTERPROCESS_SYNC_FILE_H__
 #define __INTERPROCESS_SYNC_FILE_H__
 
-#include "util/interprocess_sync.h"
-#include "exceptions/exceptions.h"
+#include <util/interprocess_sync.h>
+#include <exceptions/exceptions.h>
 
 namespace isc {
 namespace util {

src/lib/util/interprocess_sync_null.h

@@ -15,7 +15,7 @@
 #ifndef __INTERPROCESS_SYNC_NULL_H__
 #define __INTERPROCESS_SYNC_NULL_H__
 
-#include "util/interprocess_sync.h"
+#include <util/interprocess_sync.h>
 
 namespace isc {
 namespace util {