Eric Pouech : user32: Use SecureZeroMemory to clear magic fields.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7562292ceae1b36b5e7ac2402ac0fba7486acd7a
URL:    https://gitlab.winehq.org/wine/wine/-/commit/7562292ceae1b36b5e7ac2402ac0fba...

Author: Eric Pouech 
Date:   Tue Nov  7 19:12:39 2023 +0100

user32: Use SecureZeroMemory to clear magic fields.

Signed-off-by: Eric Pouech

---

dlls/user32/dde_misc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/user32/dde_misc.c b/dlls/user32/dde_misc.c
index 39b439976cd..b5ccf449692 100644
--- a/dlls/user32/dde_misc.c
+++ b/dlls/user32/dde_misc.c
@@ -2113,7 +2113,8 @@ void WDML_RemoveConv(WDML_CONV* pRef, WDML_SIDE side)
        {
    	pPrev->next = pCurrent->next;
        }
-	    pCurrent->magic = 0;
+            /* Ensure compiler doesn't optimize out the assignment with 0. */
+	    SecureZeroMemory(&pCurrent->magic, sizeof(pCurrent->magic));
        HeapFree(GetProcessHeap(), 0, pCurrent);
        break;
    }