[Bug c++/95700] read-md.c: "missing sentinel in function call" when building gcc with musl

[iii at linux dot ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95700

--- Comment #8 from Ilya Leoshkevich <iii at linux dot ibm.com> ---
Created attachment 48750
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48750&action=edit
proposed patch (tests are running)