[iter] Warning fix
authorBehdad Esfahbod <behdad@behdad.org>
Wed, 30 Jan 2019 22:54:23 +0000 (14:54 -0800)
committerBehdad Esfahbod <behdad@behdad.org>
Wed, 30 Jan 2019 22:54:23 +0000 (14:54 -0800)
commit7c292c0853140540f13f73d43ef7f7e0746e5f28
tree53155b8f48a9a246d4d0d4977fef31d4f1d61cd9
parenta84b0145ea799c9452ecb97713689247955d30ff
[iter] Warning fix

Not sure why I don't get it, but this warning:

warning: base class ‘struct hb_iter_fallback_mixin_t<hb_array_t<const OT::UVSMapping>, const OT::UVSMapping&>’ should be explicitly initialized in the copy constructor [-Wextra]
src/hb-iter.hh