patch 7.4.827

Problem:    Not all test targets are in the Makefile.
Solution:   Add the missing targets.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    827,
 /**/
     826,
 /**/