patch 8.1.0459: Test_executable fails when there is a dog in the system

Problem:    Test_executable fails when there is a dog in the system.
Solution:   Rename the dog. (Hirohito Higashi)
diff --git a/src/version.c b/src/version.c
index b25f132..c868496 100644
--- a/src/version.c
+++ b/src/version.c
@@ -793,6 +793,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    459,
+/**/
     458,
 /**/
     457,