patch 7.4.2286
Problem:    The tee program isn't included.  Makefile contains build
            instructions that don't work.
Solution:   Update the Filelist and build instructions. Remove build
            instructions for DOS and old Windows.  Add the tee program.
diff --git a/src/version.c b/src/version.c
index 530b66d..a18ce1e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2286,
+/**/
     2285,
 /**/
     2284,