vim-patch:7.4.1285

Problem:    Cannot measure elapsed time.
Solution:   Add reltimefloat().

79c2c881bb

Applied manually. None of the ifdef's applies anymore, and proftime_T was
changed into an uint64_T, so the function profile_float to convert proftime_T to
float is not needed in nvim.

src/nvim/version.c

@@ -393,7 +393,7 @@ static int included_patches[] = {
   // 1288 NA
   // 1287 NA
   // 1286 NA
-  // 1285,
+  1285,
   1284,
   // 1283 NA
   1282,