patch 7.4.1324
Problem:    Channels with pipes don't work on MS-Windows.
Solution:   Add pipe I/O support. (Yasuhiro Matsumoto)
diff --git a/src/version.c b/src/version.c
index 1718b44..f2887c9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -748,6 +748,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1324,
+/**/
     1323,
 /**/
     1322,