trivial fix
diff --git a/test/test-migration.c b/test/test-migration.c
index bcd805d..b7d96dc 100644
--- a/test/test-migration.c
+++ b/test/test-migration.c
@@ -22,6 +22,9 @@
  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  * PERFORMANCE OF THIS SOFTWARE.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>