Update the embedded copy of the expat XML parser to 2.1.0. It brings
with it a vareity of bug fixes, both security and behavior. See http://www.libexpat.org/ for the list. NOTE: I already backported the expat hash randomization fix in March. Fixes issue #14340.
G
Gregory P. Smith committed
64359d203e95f243eec661baa4226509a8bb2909
Parent: 94dc673