patch 8.1.0029: terminal test fails on MS-Windows when "wc" exists

Problem:    Terminal test fails on MS-Windows when "wc" exists.
Solution:   Skip test with redirection on MS-Windows.
diff --git a/src/version.c b/src/version.c
index 4d9696b..70fd603 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    29,
+/**/
     28,
 /**/
     27,