patch 7.4.1164
Problem:    No tests for comparing special variables.  Error in jsondecode()
            not reported.  test_json does not work Japanse system.
Solution:   Set scriptencoding. (Ken Takata) Add a few more tests. Add error.
diff --git a/src/version.c b/src/version.c
index 60cb07c..c412309 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1164,
+/**/
     1163,
 /**/
     1162,