patch 9.0.0833: Mac: no +sound feature in huge build

Problem:    Mac: no +sound feature in huge build.
Solution:   Enable +sound in Mac huge build. (closes #11497)
diff --git a/src/version.c b/src/version.c
index f7817f2..e852ea1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    833,
+/**/
     832,
 /**/
     831,