patch 7.4.998

Problem:    Running tests in shadow directory fails.  Test 49 fails.
Solution:   Link more files for the shadow directory. Make test 49 end up in
            the right buffer.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    998,
 /**/
     997,
 /**/