patch 8.1.0150: insufficient test coverage for Tcl

Problem:    Insufficient test coverage for Tcl.
Solution:   Add more tests. (Dominique Pelle, closes #3140)
diff --git a/src/version.c b/src/version.c
index 757f568..3f7eabe 100644
--- a/src/version.c
+++ b/src/version.c
@@ -790,6 +790,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    150,
+/**/
     149,
 /**/
     148,