[Bug preprocessor/88937] valgrind error in parse_has_include

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88937

--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to David Malcolm from comment #5)
> Patch:
>   https://gcc.gnu.org/ml/gcc-patches/2019-02/msg00222.html

Thank you David for the patch.