vim-patch:7.4.936 #4271

Problem:    Crash when dragging with the mouse.
Solution:   Add safety check for NULL pointer. Check mouse position for valid
            value. (Hirohito Higashi)

294a7e55b0

---

see: "Crash while mouse-selecting in two-buffer mode"
     https://github.com/vim/vim/issues/486

Fix #3704

src/nvim/version.c

@@ -354,7 +354,7 @@ static int included_patches[] = {
   939,
   // 938 NA
   937,
-  // 936,
+  936,
   // 935 NA
   // 934 NA
   933,