patch 8.1.0202: :version always shows +packages

Problem:    :version always shows +packages. (Takuya Fujiwara)
Solution:   Add #ifdef (closes #3198) Also for has().
diff --git a/src/evalfunc.c b/src/evalfunc.c
index bb32571..7d0f33a 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -6302,7 +6302,9 @@
 #ifdef FEAT_OLE
 	"ole",
 #endif
+#ifdef FEAT_EVAL
 	"packages",
+#endif
 #ifdef FEAT_PATH_EXTRA
 	"path_extra",
 #endif