patch 8.2.4017: gcc warns for misleading indent in Athena menu code

Problem:    Gcc warns for misleading indent in Athena menu code.
Solution:   Add curlies around the two statements. (Dominique Pellé,
            closes #9480)
diff --git a/src/version.c b/src/version.c
index dafef8e..5776f3d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4017,
+/**/
     4016,
 /**/
     4015,