patch 9.0.0886: horizontal mouse scroll only works in the GUI

Problem:    Horizontal mouse scroll only works in the GUI.
Solution:   Make horizontal mouse scroll also work in a terminal.
            (Christopher Plewright, closes #11448)

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    886,
 /**/
     885,
 /**/