patch 8.1.1940: script tests fail

Problem:    Script tests fail.
Solution:   Don't set vimvars type in set_vim_var_nr().
diff --git a/src/version.c b/src/version.c
index a2e9bee..f0ccfe3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1940,
+/**/
     1939,
 /**/
     1938,