patch 8.2.2009: MS-Windows: setting $LANG in gvimext only causes problems

Problem:    MS-Windows: setting $LANG in gvimext only causes problems.
Solution:   Do not set $LANG. (Ken Takata, closes #7325)
diff --git a/src/version.c b/src/version.c
index a96756d..7c8a370 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2009,
+/**/
     2008,
 /**/
     2007,