[2/4] msi: Make sure attrs variable is properly double nul-terminated in ITERATE_InstallODBCDataSource.

[Hans Leidekker]

---
 dlls/msi/action.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/msi/action.c b/dlls/msi/action.c
index f9d4965..b949fc7 100644
--- a/dlls/msi/action.c
+++ b/dlls/msi/action.c
@@ -5031,8 +5031,8 @@ static UINT ITERATE_InstallODBCDataSource( MSIRECORD *rec, LPVOID param )
     if (!attrs)
         return ERROR_OUTOFMEMORY;
 
-    sprintfW(attrs, attrs_fmt, desc);
-    attrs[len - 1] = '\0';
+    len = sprintfW(attrs, attrs_fmt, desc);
+    attrs[len + 1] = 0;
 
     if (!SQLConfigDataSourceW(NULL, request, driver, attrs))
     {
-- 
1.6.3.3