[PATCH v2 4/4] ole32: Reset output stream when wrting property storage.

[Piotr Caban]

From: Piotr Caban

---
 dlls/ole32/stg_prop.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/ole32/stg_prop.c b/dlls/ole32/stg_prop.c
index 28a240aa2a3..547d1f82335 100644
--- a/dlls/ole32/stg_prop.c
+++ b/dlls/ole32/stg_prop.c
@@ -2473,6 +2473,7 @@ end:

static HRESULT PropertyStorage_WriteToStream(PropertyStorage_impl *This)
 {
+    const ULARGE_INTEGER size = { .QuadPart = 0 };
     PROPERTYSECTIONHEADER sectionHdr;
     HRESULT hr;
     ULONG count;
@@ -2480,6 +2481,10 @@ static HRESULT PropertyStorage_WriteToStream(PropertyStorage_impl *This)
     DWORD numProps, prop, sectionOffset, dwTemp;
     PROPVARIANT var;

+    hr = IStream_SetSize(This->stm, size);
+    if (FAILED(hr))
+        return hr;
+
     PropertyStorage_WriteHeadersToStream(This);

/* Count properties.  Always at least one property, the code page */