vim-patch:7.4.1499

Problem:    No error message when :packadd does not find anything.
Solution:   Add an error message. (Hirohito Higashi)

be82c25486

src/nvim/version.c

@@ -196,7 +196,7 @@ static int included_patches[] = {
   // 1502 NA
   // 1501 NA
   1500,
-  // 1499,
+  1499,
   // 1498 NA
   // 1497 NA
   // 1496 NA