patch 8.0.0882: term_scrape() and term_getline() require two arguments

Problem:    term_scrape() and term_getline() require two arguments but it is
            not enforced.
Solution:   Correct minimal number of arguments. (Hirohito Higashi)  Update
            documentation. (Ken Takata)
diff --git a/src/version.c b/src/version.c
index 2b489ff..8c2b032 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    882,
+/**/
     881,
 /**/
     880,