patch 9.0.0708: :confirm does not work properly for a terminal buffer

Problem:    :confirm does not work properly for a terminal buffer.
Solution:   Handle :confirm for a terminal buffer differently.  (Yee Cheng
            Chin, closes #11312)
diff --git a/src/version.c b/src/version.c
index f006710..7bd0286 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    708,
+/**/
     707,
 /**/
     706,