[gegl] bin: reset completion_no when using completion to create a node

[Øyvind "pippin" Kolås <ok src gnome org>]

commit b326f0b2b3c556336df3617260203747b171f67b
Author: Øyvind Kolås <pippin gimp org>
Date:   Mon Jan 21 03:28:17 2019 +0100

    bin: reset completion_no when using completion to create a node

 bin/ui.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/bin/ui.c b/bin/ui.c
index 8c869d4ed..8109e573d 100644
--- a/bin/ui.c
+++ b/bin/ui.c
@@ -3530,6 +3530,7 @@ static void commandline_run (MrgEvent *event, void *data1, void *data2)
          g_free (completions->data);
          completions = g_list_remove (completions, completions->data);
        }
+       completion_no = -1;
      }
 
     argvs_eval ("clear");