patch 8.1.1700: listener callback called for the wrong buffer

Problem:    Listener callback called for the wrong buffer.
Solution:   Invoke listeners before calling ml_append_int().

src/version.c

@@ -777,6 +777,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1700,
 /**/
     1699,
 /**/