tools/mpc: update to 1.2.1

Update mpc to 1.2.1

http://www.multiprecision.org/mpc/
  Bug fixes:
    Fix an incompatibility problem with GMP 6.0 and before.
    Fix an intermediate overflow in asin.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
This commit is contained in:
Hannu Nyman 2020-11-21 13:33:32 +02:00 committed by Hans Dedecker
parent c977bd033e
commit 39fa0c0959