another (minor) dialyzer patch

[Samuel Rivas]

Hi,

  dialyzer crashes when you try to go to ".." form the root dir.  Maybe it is
already solved but I've attached a mini-patch to solve it, just in case.

-- 
	Samuel
-------------- next part --------------
--- dialyzer.original/src/dialyzer_gui.erl	2006-03-09 17:56:09.000000000 +0100
+++ dialyzer/src/dialyzer_gui.erl	2006-05-17 10:04:05.000000000 +0200
@@ -685,12 +685,15 @@
       S
   end.
 
-butlast([H1, H2 | T])->
-  [H1 | butlast([H2|T])];
-butlast([_]) ->
+butlast([H|T])->
+  [H | kill_last(T)].
+
+kill_last([_H|[]]) ->
+  [];
+kill_last([]) ->
   [];
-butlast([]) ->
-  ["/"].
+kill_last([H|T]) ->
+  [H | kill_last(T)].
   
 
 change_dir_absolute(S = #gui_state{file_wd=FWD, dir_entry=DirEntry,