fix(build): Ignore noexcept-type for malloc_ptr_t
fix(build): Ignore noexcept-type for malloc_ptr_t

Since all of polybar is built at once, there is no chance that this is
ever linked to an object that was compiled with another `-std=`

Ref: https://stackoverflow.com/a/46857525/5363071

jaagr/polybar,jaagr/polybar,jaagr/polybar