updated for version 7.4.304

Problem:    Cannot always use Python with Vim.
Solution:   Add the manifest to the executable. (Jacques Germishuys)

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    304,
 /**/
     303,
 /**/