oleaut32: Don't create non-existent typelib files.

dlls/oleaut32/typelib.c

@@ -3405,8 +3405,7 @@ static HRESULT TLB_ReadTypeLib(LPCWSTR pszFileName, LPWSTR pszPath, UINT cchPath
 
     if(file != pszFileName) heap_free(file);
 
-    h = CreateFileW(pszPath, GENERIC_READ, 0, NULL, OPEN_ALWAYS,
-            FILE_ATTRIBUTE_NORMAL, NULL);
+    h = CreateFileW(pszPath, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
     if(h != INVALID_HANDLE_VALUE){
         FILE_NAME_INFORMATION *info;
         char data[MAX_PATH * sizeof(WCHAR) + sizeof(info->FileNameLength)];