Alexandre Julliard : kernel32: Add missing terminator on %wc format conversion.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8e6e015eb5d1f8701e9bf03574b4c0890b1c89ac
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=8e6e015eb5d1f8701e9bf03574...

Author: Alexandre Julliard 
Date:   Thu May 21 13:31:01 2009 +0200

kernel32: Add missing terminator on %wc format conversion.

---

dlls/kernel32/format_msg.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/dlls/kernel32/format_msg.c b/dlls/kernel32/format_msg.c
index 1fca102..f4baaae 100644
--- a/dlls/kernel32/format_msg.c
+++ b/dlls/kernel32/format_msg.c
@@ -266,8 +266,9 @@ DWORD WINAPI FormatMessageA(
                             else if (strcmp(fmtstr, "%wc") == 0)
                             {
                                 sz = WideCharToMultiByte(CP_ACP, 0, (WCHAR *)argliststart, 1, NULL, 0, NULL, NULL);
-                                b = HeapAlloc(GetProcessHeap(), 0, sz);
+                                b = HeapAlloc(GetProcessHeap(), 0, sz + 1);
                                 WideCharToMultiByte(CP_ACP, 0, (WCHAR *)argliststart, 1, b, sz, NULL, NULL);
+                                b[sz] = 0;
                             }
                             else
                             {