patch 8.2.3736: test fails without the channel feature

Problem:    Test fails without the channel feature. (Dominique Pellé)
Solution:   Source the check.vim script. (closes #9277)
diff --git a/src/version.c b/src/version.c
index 55d2331..0274323 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3736,
+/**/
     3735,
 /**/
     3734,