vim-patch:7.4.2240

Problem:    Tests using the sleep time can be flaky.
Solution:   Use reltime() if available. (Partly by Shane Harper)

f267f8bdf7

src/nvim/version.c

@@ -201,7 +201,7 @@ static int included_patches[] = {
   // 2243 NA
   // 2242,
   // 2241,
-  // 2240,
+  2240,
   // 2239,
   // 2238 NA
   2237,