win32/file.c: fix result length

* win32/file.c (append_wstr): exclude the terminator from the
  result length when input len == -1.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56004 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 07dec93d04..9ea3b00d0e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Aug 25 00:39:50 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* win32/file.c (append_wstr): exclude the terminator from the
+	  result length when input len == -1.
+
 Wed Aug 24 22:41:30 2016  Kouhei Sutou  <kou@cozmixng.org>
 
 	* gc.c (gc_reset_malloc_info): Remove too much ";".