Quickfix ウィンドウを nobuflisted にするハック

--- ../src.orig/quickfix.c	Wed May  3 16:47:42 2006
+++ quickfix.c	Sun Jul 30 17:33:15 2006
@@ -2274,6 +2274,7 @@
 								   OPT_LOCAL);
 	    set_option_value((char_u *)"bh", 0L, (char_u *)"wipe", OPT_LOCAL);
 	    set_option_value((char_u *)"diff", 0L, (char_u *)"", OPT_LOCAL);
+	    set_option_value((char_u *)"bl", 0L, (char_u *)"", OPT_LOCAL);
 	}
 
 	/* Only set the height when still in the same tab page and there is no