Add necessary utility routines to support bfs

diff --git a/cmd/gvpr/gprstate.c b/cmd/gvpr/gprstate.c
index e332e66af18916da18a42b497119aac7474be0ae..b84c0df00cfeffb830be9c42cc1258e077380f22 100644 (file)
--- a/cmd/gvpr/gprstate.c
+++ b/cmd/gvpr/gprstate.c
@@ -30,6 +30,7 @@ int validTVT(int c)
 
     switch (c) {
     case TV_flat:
+    case TV_bfs:
     case TV_dfs:
     case TV_fwd:
     case TV_rev: