patch 9.0.1884: Wrong order of arguments for error messages

Problem:  Wrong order of arguments for error messages
Solution: Reverse order or arguments for e_aptypes_is_null_nr_str

closes: #13051

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Christ van Willegen <cvwillegen@gmail.com>
diff --git a/src/version.c b/src/version.c
index da48158..9797b23 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1884,
+/**/
     1883,
 /**/
     1882,