patch 9.0.0710: quitting/unloading/hiding a terminal does not work properly

Problem:    Quitting/unloading/hiding a terminal buffer does not always work
            properly.
Solution:   Avoid that ":q!" leaves an empty buffer behind.  ":bunload!" also
            kills the job and unloads the buffer.  ":hide" does not unload the
            buffer. (Yee Cheng Chin, closes #11323)

src/version.c

@@ -699,6 +699,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    710,
 /**/
     709,
 /**/