patch 8.2.1836: autocmd test fails on pacifist systems

Problem:    Autocmd test fails on pacifist systems.
Solution:   Check that /bin/kill exists. (James McCoy, closes #7117)
            Tune the timing, make the autocmd test run faster.
diff --git a/src/version.c b/src/version.c
index 7a8fe05..9f5dbb0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1836,
+/**/
     1835,
 /**/
     1834,