patch 8.2.4773: build failure without the +eval feature

Problem:    Build failure without the +eval feature.
Solution:   Use other error message.  Avoid warnings.

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4773,
 /**/
     4772,
 /**/