patch 7.4.1104

Problem:    Various problems building with MzScheme/Racket.
Solution:   Make it work with new versions of Racket. (Yukihiro Nakadaira, Ken
            Takata)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1104,
 /**/
     1103,
 /**/