patch 7.4.1224

Problem:    Build problems with GTK on BSD. (Mike Williams)
Solution:   Don't use "$<". Skip building gui_gtk_gresources.h when it doesn't
            work. (Kazunobu Kuriyama)

src/version.c

@@ -742,6 +742,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1224,
 /**/
     1223,
 /**/