patch 8.0.0007

Problem:    Vim 7.4 is still mentioned in a few places.
Solution:   Update to Vim 8.  (Uncle Bill, closes #1094)

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    7,
 /**/
     6,
 /**/