patch 9.0.0394: Cygwin: multibyte characters may be broken in terminal window

Problem:    Cygwin: multibyte characters may be broken in terminal window.
Solution:   Adjust how to read and write on the channel. (Ken Takata,
            closes #11063)
diff --git a/src/version.c b/src/version.c
index 219b414..df8ab27 100644
--- a/src/version.c
+++ b/src/version.c
@@ -704,6 +704,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    394,
+/**/
     393,
 /**/
     392,