From 88c7c2c7a1552c5e92b59b856c20474ab3fb4933 Mon Sep 17 00:00:00 2001
From: James Hawkins <jhawkins@codeweavers.com>
Date: Thu, 21 Feb 2008 21:47:13 -0600
Subject: [PATCH] msi: Fix the size of the data sent in to RegSetValueExW.

---
 dlls/msi/source.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/msi/source.c b/dlls/msi/source.c
index 44ab0c11630..c373df25603 100644
--- a/dlls/msi/source.c
+++ b/dlls/msi/source.c
@@ -563,6 +563,7 @@ static UINT set_last_used_source(HKEY source, LPCWSTR product, LPCWSTR usersid,
 
     sprintfW(buffer, format, typechar, index, value);
 
+    size = (lstrlenW(buffer) + 1) * sizeof(WCHAR);
     r = RegSetValueExW(source, INSTALLPROPERTY_LASTUSEDSOURCEW, 0,
                        REG_SZ, (LPBYTE)buffer, size);
     msi_free(buffer);