[iter] Actually fix previous commit
authorBehdad Esfahbod <behdad@behdad.org>
Wed, 8 May 2019 17:02:30 +0000 (10:02 -0700)
committerBehdad Esfahbod <behdad@behdad.org>
Wed, 8 May 2019 17:03:10 +0000 (10:03 -0700)
commitaa4ac13f0be34bba66b00d04fd7806c474ff59c0
tree5b04e181e7f450269f9a9aac0004c3081831ef3b
parenta66598e0306fe80063c5d6a678bbca4a931bc4d4
[iter] Actually fix previous commit

The iter objects shouldn't not be const.  D'oh.
src/hb-iter.hh