Fix build with -O0
authorBehdad Esfahbod <behdad@behdad.org>
Thu, 20 Jun 2019 21:24:43 +0000 (14:24 -0700)
committerBehdad Esfahbod <behdad@behdad.org>
Thu, 20 Jun 2019 21:24:43 +0000 (14:24 -0700)
commit7f3b409e85897ff267f1b6a5ce1b5cdafbfe7afe
treee993572d078888bffe2909e9076e98d63fe68ec6
parent6b44bf85382146b355a5a3cbbfde48166721ce52
Fix build with -O0

message_impl was not defined.  That causes trouble if compiler didn't
optimize the unreachable call out...
src/hb-buffer.cc
src/hb-buffer.hh