vim-patch:7.4.593 #2657

Problem:    Crash when searching for "x\{0,90000}". (Dominique Pelle)
Solution:   Bail out from the NFA engine when the max limit is much higher
            than the min limit.

https://github.com/vim/vim/commit/v7-4-593

See https://groups.google.com/d/msg/vim_dev/c7owwoseba8/ZETgSNZ6p10J

src/nvim/version.c

@@ -216,7 +216,7 @@ static int included_patches[] = {
   //596 NA
   595,
   594,
-  //593,
+  593,
   //592 NA
   //591 NA
   590,