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.

src/version.c

@@ -703,6 +703,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    390,
 /**/
     389,
 /**/