Do not leave not initialized fields in the structure passed to ShellExecuteExW32

[Dmitry Timoshkov]

Hello,

This patch fixes a regression introduced after unicodification
of the ShellExecute interface.

Changelog:
    Dmitry Timoshkov <dmitry at codeweavers.com>
    Do not leave not initialized fields in the structure passed
    to ShellExecuteExW32.

--- cvs/hq/wine/dlls/shell32/shell.c	Fri Jan 16 17:47:25 2004
+++ wine/dlls/shell32/shell.c	Thu Feb 12 13:58:17 2004
@@ -632,17 +632,10 @@ HINSTANCE16 WINAPI ShellExecute16( HWND1
     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL;
     HANDLE hProcess = 0;
 
-    if (lpOperation)
-        seiW.lpVerb = __SHCloneStrAtoW(&wVerb, lpOperation);
-
-    if (lpFile)
-        seiW.lpFile = __SHCloneStrAtoW(&wFile, lpFile);
-
-    if (lpParameters)
-        seiW.lpParameters = __SHCloneStrAtoW(&wParameters, lpParameters);
-
-    if (lpDirectory)
-        seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, lpDirectory);
+    seiW.lpVerb = lpOperation ? __SHCloneStrAtoW(&wVerb, lpOperation) : NULL;
+    seiW.lpFile = lpFile ? __SHCloneStrAtoW(&wFile, lpFile) : NULL;
+    seiW.lpParameters = lpParameters ? __SHCloneStrAtoW(&wParameters, lpParameters) : NULL;
+    seiW.lpDirectory = lpDirectory ? __SHCloneStrAtoW(&wDirectory, lpDirectory) : NULL;
 
     seiW.cbSize = sizeof(seiW);
     seiW.fMask = 0;