patch 9.1.0801: tests: no error check when setting global 'termwinkey'

Problem:  tests: no error check when setting global 'termwinkey'
Solution: Also validate when using setglobal (Milly).

closes: #15917

Signed-off-by: Milly <milly.ca@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 404ebf5..1701ffb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    801,
+/**/
     800,
 /**/
     799,