patch 8.2.5065: wrong return type for main() in tee.c

Problem:    Wrong return type for main() in tee.c.
Solution:   Use "int" instead of "void".  Remove unused variable.
diff --git a/src/version.c b/src/version.c
index 6bdc254..a131b35 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5065,
+/**/
     5064,
 /**/
     5063,