patch 8.2.5064: no test for what 8.1.0052 fixes

Problem:    No test for what 8.1.0052 fixes.
Solution:   Add a test. (closes #10531)
diff --git a/src/version.c b/src/version.c
index dd585c8..6bdc254 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5064,
+/**/
     5063,
 /**/
     5062,