patch 8.1.0367: getchar(1) no longer processes pending messages

Problem:    getchar(1) no longer processes pending messages. (Yasuhiro
            Matsumoto)
Solution:   Call parse_queued_messages().

src/evalfunc.c

@@ -4680,6 +4680,13 @@ f_getchar(typval_T *argvars, typval_T *rettv)
     varnumber_T		n;
     int			error = FALSE;
 
+#ifdef MESSAGE_QUEUE
+    // vpeekc() used to check for messages, but that caused problems, invoking
+    // a callback where it was not expected.  Some plugins use getchar(1) in a
+    // loop to await a message, therefore make sure we check for messages here.
+    parse_queued_messages();
+#endif
+
     /* Position the cursor.  Needed after a message that ends in a space. */
     windgoto(msg_row, msg_col);
 

src/version.c

@@ -794,6 +794,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    367,
 /**/
     366,
 /**/