added modeline for vim editor

Matlab expands tabs with spaces and use default space number equal to 4.
So I need to adjust vim to this

1 files changed, 3 insertions, 0 deletions

diff --git a/gui_win.m b/gui_win.m
index 065ba7f..f9300d7 100644
--- a/gui_win.m
+++ b/gui_win.m
@@ -827,3 +827,6 @@ function button2comtinuousrun_KeyPressFcn(hObject, eventdata, handles)
 %	Character: character interpretation of the key(s) that was pressed
 %	Modifier: name(s) of the modifier key(s) (i.e., control, shift) pressed
 % handles    structure with handles and user data (see GUIDATA)
+
+
+% vim: tabstop=4 shiftwidth=4 expandtab