fix path of bscconfig.h include file
diff --git a/openbsc/src/libabis/e1_input.c b/openbsc/src/libabis/e1_input.c
index e5dd11b..3b6644e 100644
--- a/openbsc/src/libabis/e1_input.c
+++ b/openbsc/src/libabis/e1_input.c
@@ -54,7 +54,7 @@
 #include <openbsc/signal.h>
 #include <openbsc/misdn.h>
 
-#include "../bscconfig.h"
+#include "../../bscconfig.h"
 
 #define NUM_E1_TS	32