fib: Set the GLEAN flag on attached export routes so that the SAS works
correctly.

Type: fix

Signed-off-by: Neale Ranns <neale@graphiant.com>
Change-Id: I4bc2eb394a8f9d01c5a12de2ce963c22209d5439
diff --git a/src/vnet/fib/fib_table.c b/src/vnet/fib/fib_table.c
index eaeee5b..7cc989d 100644
--- a/src/vnet/fib/fib_table.c
+++ b/src/vnet/fib/fib_table.c
@@ -531,6 +531,11 @@
             fib_prefix_normalize(prefix, &path->frp_connected);
         }
     }
+    else if (fib_route_path_is_attached(path))
+    {
+        path->frp_flags |= FIB_ROUTE_PATH_GLEAN;
+        fib_prefix_normalize(prefix, &path->frp_connected);
+    }
     if (*eflags & FIB_ENTRY_FLAG_DROP)
     {
 	path->frp_flags |= FIB_ROUTE_PATH_DROP;