patch 8.0.1789: BufWinEnter does not work well for a terminal window

Problem:    BufWinEnter does not work well for a terminal window.
Solution:   Do not trigger BufWinEnter when opening a terminal window.
diff --git a/src/version.c b/src/version.c
index d933e81..9d00e46 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1789,
+/**/
     1788,
 /**/
     1787,