updated for version 7.4.559

Problem:    Appending a block in the middle of a tab does not work correctly
            when virtualedit is set.
Solution:   Decrement spaces and count, don't reset them. (James McCoy)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    559,
 /**/
     558,
 /**/