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--- a/src/utils/fstreewalk.cpp
+++ b/src/utils/fstreewalk.cpp
@@ -17,6 +17,9 @@
  *   Free Software Foundation, Inc.,
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
+#ifdef HAVE_CONFIG_H
+#include "autoconfig.h"
+#endif
 
 #ifndef TEST_FSTREEWALK