patch 8.0.0931: getwininfo() does not indicate a terminal window

Problem:    getwininfo() does not indicate a terminal window.
Solution:   Add "terminal" to the dictionary.
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 35e5670..37e849c 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -4747,6 +4747,8 @@
 					{only with the +quickfix feature}
 			quickfix	1 if quickfix or location list window
 					{only with the +quickfix feature}
+			terminal	1 if a terminal window
+					{only with the +terminal feature}
 			tabnr		tab page number
 			variables	a reference to the dictionary with
 					window-local variables
diff --git a/src/evalfunc.c b/src/evalfunc.c
index 1721e03..3d657f7 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -5228,6 +5228,9 @@
     dict_add_nr_str(dict, "width", wp->w_width, NULL);
     dict_add_nr_str(dict, "bufnr", wp->w_buffer->b_fnum, NULL);
 
+#ifdef FEAT_TERMINAL
+    dict_add_nr_str(dict, "terminal", bt_terminal(wp->w_buffer), NULL);
+#endif
 #ifdef FEAT_QUICKFIX
     dict_add_nr_str(dict, "quickfix", bt_quickfix(wp->w_buffer), NULL);
     dict_add_nr_str(dict, "loclist",
diff --git a/src/version.c b/src/version.c
index 91f9b56..99a01b1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    931,
+/**/
     930,
 /**/
     929,