patch 9.0.1380: CTRL-X on 2**64 subtracts two

Problem:    CTRL-X on 2**64 subtracts two. (James McCoy)
Solution:   Correct computation for large number. (closes #12103)
diff --git a/src/typval.c b/src/typval.c
index 4033c07..10932e5 100644
--- a/src/typval.c
+++ b/src/typval.c
@@ -217,7 +217,7 @@
 	    }
 	    if (varp->vval.v_string != NULL)
 		vim_str2nr(varp->vval.v_string, NULL, NULL,
-					    STR2NR_ALL, &n, NULL, 0, FALSE);
+					 STR2NR_ALL, &n, NULL, 0, FALSE, NULL);
 	    return n;
 	case VAR_LIST:
 	    emsg(_(e_using_list_as_number));
@@ -2230,7 +2230,7 @@
 	// decimal, hex or octal number
 	vim_str2nr(*arg, NULL, &len, skip_quotes
 		      ? STR2NR_NO_OCT + STR2NR_QUOTE
-		      : STR2NR_ALL, &n, NULL, 0, TRUE);
+		      : STR2NR_ALL, &n, NULL, 0, TRUE, NULL);
 	if (len == 0)
 	{
 	    if (evaluate)