patch 8.2.0262: fileformat test fails on MS-Windows

Problem:    Fileformat test fails on MS-Windows.
Solution:   Set fileformat of buffer.
diff --git a/src/version.c b/src/version.c
index ba8343d..95d4cd8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    262,
+/**/
     261,
 /**/
     260,