patch 8.2.0882: leaking memory when using reduce()

Problem:    Leaking memory when using reduce().
Solution:   Free the intermediate value.
diff --git a/src/version.c b/src/version.c
index e4641dc..81485ba 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    882,
+/**/
     881,
 /**/
     880,