patch 8.2.2345: no focus events in a terminal

Problem:    No focus events in a terminal.
Solution:   Add the t_fd and t_fe termcap entries and implement detecting
            focus events. (Hayaki Saito, Magnus Groß, closes #7673,
            closes #609, closes #5526)
diff --git a/src/version.c b/src/version.c
index dc1b752..30a550f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2345,
+/**/
     2344,
 /**/
     2343,