Józef Kucia : user32: Fix memory leak in WinHelpA().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ae9d5ce5f70ca196ee6b71e9d16cd4ded914d4f3
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=ae9d5ce5f70ca196ee6b71e9d1...

Author: Józef Kucia <jkucia(a)codeweavers.com>
Date:   Tue May 30 12:21:54 2017 +0200

user32: Fix memory leak in WinHelpA().

Signed-off-by: Józef Kucia <jkucia(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/user32/winhelp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/user32/winhelp.c b/dlls/user32/winhelp.c
index a2c331b..c40b0fc 100644
--- a/dlls/user32/winhelp.c
+++ b/dlls/user32/winhelp.c
@@ -80,6 +80,7 @@ BOOL WINAPI WinHelpA( HWND hWnd, LPCSTR lpHelpFile, UINT wCommand, ULONG_PTR dwD
     HWND                hDest;
     int                 size, dsize, nlen;
     WINHELP*            lpwh;
+    LRESULT             ret;
 
     hDest = FindWindowA("MS_WINHELP", NULL);
     if (!hDest) 
@@ -156,7 +157,9 @@ BOOL WINAPI WinHelpA( HWND hWnd, LPCSTR lpHelpFile, UINT wCommand, ULONG_PTR dwD
           lpwh->size, lpwh->command, lpwh->data,
           lpwh->ofsFilename ? (LPSTR)lpwh + lpwh->ofsFilename : "");
 
-    return SendMessageA(hDest, WM_COPYDATA, (WPARAM)hWnd, (LPARAM)&cds);
+    ret = SendMessageA(hDest, WM_COPYDATA, (WPARAM)hWnd, (LPARAM)&cds);
+    HeapFree(GetProcessHeap(), 0, lpwh);
+    return ret;
 }