patch 8.1.2401: :cexpr does not handle | in expression

Problem:    :cexpr does not handle | in expression.
Solution:   Remove EX_TRLBAR and set nextcmd pointer.
diff --git a/src/version.c b/src/version.c
index 8d4f945..b25cda4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2401,
+/**/
     2400,
 /**/
     2399,