[reactos] 01/01: [BROWSEUI] Follow up of #1121

[Katayama Hirofumi MZ]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=fad9f6677a8408ec94684a...

commit fad9f6677a8408ec94684a1061341362a35b7396
Author:     Katayama Hirofumi MZ [e-mail]
AuthorDate: Thu Dec 13 20:40:05 2018 +0900
Commit:     Katayama Hirofumi MZ [e-mail]
CommitDate: Thu Dec 13 20:40:05 2018 +0900

[BROWSEUI] Follow up of #1121

CORE-15434
---
 dll/win32/shell32/dialogs/dialogs.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dll/win32/shell32/dialogs/dialogs.cpp b/dll/win32/shell32/dialogs/dialogs.cpp
index f2fce61fd9..5903fe4b31 100644
--- a/dll/win32/shell32/dialogs/dialogs.cpp
+++ b/dll/win32/shell32/dialogs/dialogs.cpp
@@ -578,7 +578,7 @@ static INT_PTR CALLBACK RunDlgProc(HWND hwnd, UINT message, WPARAM wParam, LPARA

if (wcschr(psz, L'%') != NULL)
                     {
-                        cchExpand = ExpandEnvironmentStringsW(psz, NULL, 0) + 1;
+                        cchExpand = ExpandEnvironmentStringsW(psz, NULL, 0);
                         pszExpanded = (WCHAR*)HeapAlloc(GetProcessHeap(), 0, cchExpand * sizeof(WCHAR));
                         if (!pszExpanded)
                         {