gxl2gv: add a no-op default case to a switch

An upcoming change makes the type of Current_class an enum, which introduces new
-Wswitch compiler warnings. To avoid this in advance, we give this switch a
default case that does nothing.

diff --git a/cmd/tools/gxl2gv.c b/cmd/tools/gxl2gv.c
index 7a8fe8058194ff48117cc4d895a35bff5884d633..bec235a012ed1a88a925c5c93d0a475b4b5422c5 100644 (file)
--- a/cmd/tools/gxl2gv.c
+++ b/cmd/tools/gxl2gv.c
@@ -414,6 +414,8 @@ static void setAttr(char *name, char *value, userdata_t * ud, bool is_html)
     case TAG_EDGE:
        setEdgeAttr(E, name, value, ud, is_html);
        break;
+    default:
+       break;
     }
 }