Release 1.3.1 of GNU MPC

[Andreas Enge]

Dear all,

shortly after the release of GNU MPC 1.3.0 we received a bug report that
GCC could not be compiled any more with the new version. Indeed, one could
no more include mpc.h without including stdio.h beforehand. This has been
corrected in a point release 1.3.1, which is available from
   https://ftp.gnu.org/gnu/mpc/

We are sorry that this bug slipped through in spite of extensive testing
by us and the community.

Paul Zimmermann and Andreas Enge