use exit status 64 to reload the application

main.go

@@ -509,7 +509,7 @@ Options:
 	moveFile(tmpCaDestination, caDestination, GroupID, 0644, 0755)
 	moveFile(tmpKeyDestination, keyDestination, GroupID, 0640, 0750)
 
-	// Exit 1 means application needs to be reloaded
-	appExit(1)
+	// Exit 64 means application needs to be reloaded
+	appExit(64)
 
 }