patch 7.4.2293

Problem:    Modelines in source code are inconsistant.
Solution:   Use the same line in most files.  Add 'noet'.  (Naruhiko Nishino)

src/iscygpty.c

@@ -178,4 +178,4 @@ int is_cygpty_used(void)
 	return ret;
 }
 
-/* vim: set ts=4 sw=4: */
+/* vi:set ts=8 sts=4 sw=4 noet: */