patch 7.4.1687
Problem:    The channel close_cb option does not work.
Solution:   Use jo_close_partial instead of jo_err_partial. (Damien)
diff --git a/src/version.c b/src/version.c
index f2976cb..6e599d8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -749,6 +749,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1687,
+/**/
     1686,
 /**/
     1685,