updated for version 7.3.454

Problem:    Re-allocating memory slows Vim down.
Solution:   Use realloc() in ga_grow(). (Dominique Pelle)

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    454,
 /**/
     453,
 /**/