patch 7.4.874

Problem:    MS-Windows: When Vim runs inside another application, the size
            isn't right.
Solution:   When in child mode compute the size differently. (Agorgianitis
            Loukas)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    874,
 /**/
     873,
 /**/