patch 8.0.1321: can't build huge version with Athena
Problem: Can't build huge version with Athena. (Mark Kelly)
Solution: Move including beval.h to before structs.h. Include beval.pro like
other proto files.
diff --git a/src/proto.h b/src/proto.h
index a60d3c8..5513746 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -201,7 +201,9 @@
/* Ugly solution for "BalloonEval" not being defined while it's used in some
* .pro files. */
-# ifndef FEAT_BEVAL
+# ifdef FEAT_BEVAL
+# include "beval.pro"
+# else
# define BalloonEval int
# endif