patch 8.0.0779: :term without an argument uses empty buffer name

Problem:    :term without an argument uses empty buffer name but runs the
            snell.
Solution:   Change the command to the shell earlier.

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    779,
 /**/
     778,
 /**/