updated for version 7.4.584

Problem:    With tiny features test_command_count may fail.
Solution:   Source small.vim. (Christian Brabandt)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    584,
 /**/
     583,
 /**/