patch 8.0.1761: job in terminal window with no output channel is killed

Problem:    Job in terminal window with no output channel is killed.
Solution:   Keep the job running when the input is a tty. (Ozaki Kiichi,
            closes #2734)
diff --git a/src/version.c b/src/version.c
index f16a4a7..5d63a3b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1761,
+/**/
     1760,
 /**/
     1759,