Fix broken regex

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Unbreak WinXP

Fix regression of 47a3f158a337fbf97ff8eeecde6aaa60c6a3ecf1

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Revert upgrade 32-bit dbghelp.dll to work on WinXP

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>