patch 8.0.1376: cursor in terminal not always updated

Problem:    Cursor in terminal not always updated.
Solution:   Call gui_mch_flush(). (Ken Takata)
diff --git a/src/version.c b/src/version.c
index c41aed0..4361c38 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1376,
+/**/
     1375,
 /**/
     1374,