squash a -Wswitch-default warning

diff --git a/lib/ortho/ortho.c b/lib/ortho/ortho.c
index 4089e6fb9bb7beda0ff465faec60afc9fea49a0c..c42cf83e283da7343fe45fd013aa22d5f8968526 100644 (file)
--- a/lib/ortho/ortho.c
+++ b/lib/ortho/ortho.c
@@ -22,6 +22,7 @@
 #include "config.h"
 
 #define DEBUG
+#include <assert.h>
 #include <stdbool.h>
 #include <stddef.h>
 #include <setjmp.h>
@@ -522,7 +523,8 @@ static char* bendToStr (bend b)
   case B_DOWN :
     s = "B_DOWN";
     break;
-  case B_RIGHT :
+  default:
+    assert(b == B_RIGHT);
     s = "B_RIGHT";
     break;
   }