patch 8.2.0370: the typebuf_was_filled flag is sometimes not reset

Problem:    The typebuf_was_filled flag is sometimes not reset, which may
            cause a hang.
Solution:   Make sure typebuf_was_filled is reset when the typeahead buffer is
            empty.
diff --git a/src/version.c b/src/version.c
index 0efa4f7..34eb68f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    370,
+/**/
     369,
 /**/
     368,