[gtksourceview/wip/chergert/vim] fix count iteration

[Christian Hergert <chergert src gnome org>]

commit b676c2d5baa917c7ff01a2e666d6d4561b1cc5bf
Author: Christian Hergert <chergert redhat com>
Date:   Thu Oct 28 14:42:01 2021 -0700

    fix count iteration

 gtksourceview/vim/gtk-source-vim-motion.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtksourceview/vim/gtk-source-vim-motion.c b/gtksourceview/vim/gtk-source-vim-motion.c
index 96d69fcf..feb16447 100644
--- a/gtksourceview/vim/gtk-source-vim-motion.c
+++ b/gtksourceview/vim/gtk-source-vim-motion.c
@@ -1370,7 +1370,7 @@ gtk_source_vim_motion_apply (GtkSourceVimMotion *self,
                {
                        goto do_inclusive;
                }
-       } while (--count > 1);
+       } while (--count > 0);
 
        ret = TRUE;