fix path of bscconfig.h include file
diff --git a/openbsc/src/libabis/input/dahdi.c b/openbsc/src/libabis/input/dahdi.c
index 2fc99f5..572bb5a 100644
--- a/openbsc/src/libabis/input/dahdi.c
+++ b/openbsc/src/libabis/input/dahdi.c
@@ -22,7 +22,7 @@
  *
  */
 
-#include "../../bscconfig.h"
+#include "../../../bscconfig.h"
 
 #ifdef HAVE_DAHDI_USER_H