patch 9.0.2100: CI: test_termdebug fails

Problem:  CI: test_termdebug fails
Solution: only test for a changed winlayout, if the window
          width actually changed

Also, include an unrelated comment (which doesn't warrant its own patch
number)

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index e06b086..02d3472 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2100,
+/**/
     2099,
 /**/
     2098,