patch 7.4.2153

Problem:    GUI test isn't testing much.
Solution:   Turn into a new style test.  Execute a shell command.

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2153,
 /**/
     2152,
 /**/