patch 8.2.3760: not automatically handling gnome terminal mouse like xterm

Problem:    Not automatically handling gnome terminal mouse like xterm.
Solution:   Default 'ttymouse' to "xterm" and recognize Focus events.
            (issue #9296)
diff --git a/src/version.c b/src/version.c
index 13b6a0c..3f0b5fd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3760,
+/**/
     3759,
 /**/
     3758,