vim-patch:8.0.0688: cannot resize the window in a FileType autocommand

Problem:    Cannot resize the window in a FileType autocommand. (Ingo Karkat)
Solution:   Add the CMDWIN flag to :resize. (test by Ingo Karkat,
            closes vim/vim#1804)
9c4fefffb6

src/nvim/ex_cmds.lua

@@ -2158,7 +2158,7 @@ return {
   },
   {
     command='resize',
-    flags=bit.bor(RANGE, NOTADR, TRLBAR, WORD1),
+    flags=bit.bor(RANGE, NOTADR, TRLBAR, WORD1, CMDWIN),
     addr_type=ADDR_LINES,
     func='ex_resize',
   },