patch 7.4.1586

Problem:    Nesting partials doesn't work.
Solution:   Append arguments. (Ken Takata)

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1586,
 /**/
     1585,
 /**/