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/evalvars.c b/src/evalvars.c
index c087d85..bbe1403 100644
--- a/src/evalvars.c
+++ b/src/evalvars.c
@@ -1691,12 +1691,20 @@
 }
 
 /*
+ * Set type of v: variable to "type".
+ */
+    void
+set_vim_var_type(int idx, vartype_T type)
+{
+    vimvars[idx].vv_type = type;
+}
+
+/*
  * Set number v: variable to "val".
  */
     void
 set_vim_var_nr(int idx, varnumber_T val)
 {
-    vimvars[idx].vv_type = VAR_NUMBER;
     vimvars[idx].vv_nr = val;
 }