Backport 2 patches from newer avr-libc.

Change-Id: Ie1844caf74b222871c9ae01379e318972cc8f05e
http://svn.sv.gnu.org/viewvc/?view=rev&root=avr-libc&revision=2239
http://svn.sv.gnu.org/viewvc/?view=rev&root=avr-libc&revision=2241
2 files changed
tree: d34938b8628dc50afc2ad278a79a3f1480d84e80
  1. avr-libc-1.7.1/