PATCH: hide lines in flat index mode

[wil <wil dready org>]

Hi, I hope I'm not irritating you guys with these one-liner patches (like
do something more useful! wil ya!) but here's another one to hide the lines
in flat index threading mode to make it clear that there's no threading
going on, and reduces clutter as well..

wil.

Index: src/balsa-index.c
===================================================================
RCS file: /cvs/gnome/balsa/src/balsa-index.c,v
retrieving revision 1.195
diff -u -r1.195 balsa-index.c
--- src/balsa-index.c	2001/09/22 16:44:17	1.195
+++ src/balsa-index.c	2001/09/24 10:55:03
@@ -2329,6 +2329,11 @@
     clist = GTK_CLIST(bindex->ctree);
     bindex->threading_type = thtype;
     
+    gtk_ctree_set_line_style (
+            bindex->ctree,
+            (thtype == BALSA_INDEX_THREADING_FLAT)?
+                GTK_CTREE_LINES_NONE: GTK_CTREE_LINES_SOLID);
+    
     mailbox = bindex->mailbox_node->mailbox;
 
     gtk_clist_freeze(clist);