regsvr32: FormatMessage() now reports ERROR_NO_WORK_DONE error for empty string.

programs/regsvr32/regsvr32.c

@@ -51,11 +51,10 @@ static void WINAPIV output_write(UINT id, ...)
     }
 
     __ms_va_start(va_args, id);
-    SetLastError(NO_ERROR);
     len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
                          fmt, 0, 0, (LPWSTR)&str, 0, &va_args);
     __ms_va_end(va_args);
-    if (len == 0 && GetLastError() != NO_ERROR)
+    if (len == 0 && GetLastError() != ERROR_NO_WORK_DONE)
     {
         WINE_FIXME("Could not format string: le=%u, fmt=%s\n", GetLastError(), wine_dbgstr_w(fmt));
         return;