vim-patch:7.4.526 #2562

Problem:    matchstr() fails on long text. Daniel Hahler)
Solution:   Return NFA_TOO_EXPENSIVE from regexec_nl(). (Christian Brabandt)

https://github.com/vim/vim/commit/v7-4-526

Helped-by: Michael Reed <m.reed@mykolab.com>

src/nvim/version.c

@@ -257,7 +257,7 @@ static int included_patches[] = {
   529,
   528,
   527,
-  //526,
+  526,
   525,
   //524,
   //523 NA