patch 9.0.0390: cannot use a partial with :defer

Problem:    Cannot use a partial with :defer.
Solution:   Add the partial arguments before the other arguments.  Disallow
            using a dictionary.
diff --git a/src/version.c b/src/version.c
index b114c27..76ce3a1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -704,6 +704,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    390,
+/**/
     389,
 /**/
     388,