vim-patch:7.4.2248

Problem:    When cancelling the :ptjump prompt a preview window is opened for
            a following command.
Solution:   Reset g_do_tagpreview. (Hirohito Higashi)  Add a test.  Avoid that
            the test runner gets stuck in trying to close a window.

358308dd99

src/nvim/version.c

@@ -193,7 +193,7 @@ static int included_patches[] = {
   2251,
   // 2250,
   2249,
-  // 2248,
+  2248,
   // 2247 NA
   // 2246,
   // 2245,