binutils: Security fix for CVE-2020-16593

Source:  https://sourceware.org/git/binutils-gdb.git
MR: 112801
Type: Security Fix
Disposition: Backport from https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=aec72fda3b320c36eb99fc1c4cf95b10fc026729


ChangeID: 470b309f4859eecdcc837add2bf756484ad94ee5
Description:

Fixed up for 2.34 context

Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>