patch 8.2.3373: text property test fails on MS-Windows

Problem:    text property test fails on MS-Windows.
Solution:   Set fileformat to "unix"
diff --git a/src/version.c b/src/version.c
index 1f9a270..9a1281f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3373,
+/**/
     3372,
 /**/
     3371,