patch 7.4.1456

Problem:    Test 87 fails with Python 3.5.
Solution:   Work around difference. (Taro Muraoka)

src/version.c

@@ -743,6 +743,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1456,
 /**/
     1455,
 /**/