patch 7.4.1512
Problem:    Channel input from file not supported on MS-Windows.
Solution:   Implement it. (Yasuhiro Matsumoto)
diff --git a/src/version.c b/src/version.c
index 6141a2e..eb9c486 100644
--- a/src/version.c
+++ b/src/version.c
@@ -744,6 +744,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1512,
+/**/
     1511,
 /**/
     1510,