wininet [2/2]: Fix error checking for FtpGetCurrentDirectoryW

[Zac Brown]

Hi,

Changelog:
* Fixed errors in error checking in FtpGetCurrentDirectoryW in wininet/ftp.c



diff --git a/dlls/wininet/ftp.c b/dlls/wininet/ftp.c
index 39fbc90..4c8589b 100644
--- a/dlls/wininet/ftp.c
+++ b/dlls/wininet/ftp.c
@@ -885,13 +885,19 @@ BOOL WINAPI FtpGetCurrentDirectoryW(HINTERNET hFtpSession, LPWSTR lpszCurrentDir
     TRACE("len(%d)\n", *lpdwCurrentDirectory);

     lpwfs = (LPWININETFTPSESSIONW) WININET_GetObject( hFtpSession );
-    if (NULL == lpwfs || WH_HFTPSESSION != lpwfs->hdr.htype)
+    if ( lpwfs == NULL || WH_HFTPSESSION != lpwfs->hdr.htype )
     {
         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
         goto lend;
     }

-    if (lpwfs->download_in_progress != NULL)
+	if ( lpszCurrentDirectory == NULL || *lpdwCurrentDirectory == NULL )
+	{
+		INTERNET_SetLastError(ERROR_INVALID_PARAMETER);	
+		goto lend;
+	}
+	
+	if (lpwfs->download_in_progress != NULL)
     {
         INTERNET_SetLastError(ERROR_FTP_TRANSFER_IN_PROGRESS);
         goto lend;
-- 
1.5.2.5