[ATL] Sync with Wine Staging 3.17. CORE-15127

[reactos.git] / dll / win32 / atl / atl30.c

diff --git a/dll/win32/atl/atl30.c b/dll/win32/atl/atl30.c
index 674c1aa..dcdddd9 100644 (file)
--- a/dll/win32/atl/atl30.c
+++ b/dll/win32/atl/atl30.c
@@ -374,7 +374,7 @@ ATOM WINAPI AtlModuleRegisterWndClassInfoW(_ATL_MODULEW *pm, _ATL_WNDCLASSINFOW
         if (!wci->m_wc.lpszClassName)
         {
             static const WCHAR szFormat[] = {'A','T','L','%','0','8','l','x',0};
-            snprintfW(wci->m_szAutoName, sizeof(wci->m_szAutoName)/sizeof(WCHAR), szFormat, (UINT_PTR)wci);
+            snprintfW(wci->m_szAutoName, ARRAY_SIZE(wci->m_szAutoName), szFormat, (UINT_PTR)wci);
             TRACE("auto-generated class name %s\n", debugstr_w(wci->m_szAutoName));
             wci->m_wc.lpszClassName = wci->m_szAutoName;
         }