Dmitry Timoshkov : mstask: Don' t touch instance count field of the job file in the client.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: bfb7a0aa1fbf856a479e22311e0855380674edf5
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=bfb7a0aa1fbf856a479e22311...

Author: Dmitry Timoshkov 
Date:   Fri May 11 12:36:28 2018 +0800

mstask: Don't touch instance count field of the job file in the client.

It should be managed on the server side.

Signed-off-by: Dmitry Timoshkov 
Signed-off-by: Alexandre Julliard

---

dlls/mstask/task.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/dlls/mstask/task.c b/dlls/mstask/task.c
index 986faa1..5ec7064 100644
--- a/dlls/mstask/task.c
+++ b/dlls/mstask/task.c
@@ -1260,9 +1260,8 @@ static HRESULT WINAPI MSTASK_IPersistFile_Save(IPersistFile *iface, LPCOLESTR ta
         goto failed;
     }

-    /* Instance Count */
-    word = 0;
-    if (!WriteFile(hfile, &word, sizeof(word), &size, NULL))
+    /* Instance Count: don't touch it in the client */
+    if (SetFilePointer(hfile, sizeof(word), NULL, FILE_CURRENT) == INVALID_SET_FILE_POINTER)
     {
         hr = HRESULT_FROM_WIN32(GetLastError());
         goto failed;