vim-patch:7.4.472: Only draw "precedes" entry in 'listchar' when 'list' is on

vim-patch:7.4.472

Problem:    The "precedes" entry in 'listchar' will be drawn when
'showbreak is set and list is not.
Solution:   Only draw this character when 'list' is on. (Christian
Brabandt)

https://code.google.com/p/vim/source/detail?r=af998690a8841d4df95cea0bed4246f2ba98e247

src/nvim/version.c

@@ -194,7 +194,7 @@ static int included_patches[] = {
   //475,
   //474,
   //473,
-  //472,
+  472,
   //471,
   //470,
   //469,