patch 8.2.4716: memory allocation failure not tested when defining a function

Problem:    Memory allocation failure not tested when defining a function.
Solution:   Add a test. (Yegappan Lakshmanan, closes #10127)
diff --git a/src/version.c b/src/version.c
index 5ffcdeb..f8f15ad 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4716,
+/**/
     4715,
 /**/
     4714,