vim-patch:7.4.2230 (#6080)

Problem:    There is no equivalent of 'smartcase' for a tag search.
Solution:   Add value "followscs" and "smart" to 'tagcase'. (Christian
            Brabandt, closes vim/vim#712) Turn tagcase test into new style.

66e29d7112

src/nvim/version.c

@@ -210,7 +210,7 @@ static int included_patches[] = {
   2233,
   // 2232 NA
   // 2231,
-  // 2230,
+  2230,
   // 2229,
   // 2228,
   2227,