patch 8.2.3157: crypt test may fail on MS-Windows

Problem:    Crypt test may fail on MS-Windows.
Solution:   Ignore "[unix]" in the file message. (Christian Brabandt,
            closes #8561)
diff --git a/src/version.c b/src/version.c
index c2314cd..ace5a9d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3157,
+/**/
     3156,
 /**/
     3155,