Update harfbuzz to 1.0.6:

Overview of changes leading to 1.0.6
Thursday, October 15, 2015
====================================

- Reduce max nesting level in OT lookups from 8 to 6.
  Should not affect any real font as far as I know.
- Fix memory access issue in ot-font.
- Revert default load-flags of fonts created using hb_ft_font_create()
  back to FT_LOAD_DEFAULT|FT_LOAD_NO_HINTING.  This was changed in
  last release (1.0.5), but caused major issues, so revert.
  harfbuzz/harfbuzz#143


Overview of changes leading to 1.0.5
Tuesday, October 13, 2015
====================================

- Fix multiple memory access bugs discovered using libFuzzer.
  harfbuzz/harfbuzz#139
  Everyone should upgrade to this version as soon as possible.
  We now have continuous fuzzing set up, to avoid issues like
  these creeping in again.
- Misc fixes.

- New API:
  * hb_font_set_parent().
  * hb_ft_font_[sg]et_load_flags()
    The default flags for fonts created using hb_ft_font_create()
    has changed to default to FT_LOAD_DEFAULT now.  Previously it
    was defaulting to FT_LOAD_DFEAULT|FT_LOAD_NO_HINTING.

- API changes:
  * Fonts now default to units-per-EM as their scale, instead of 0.
  * hb_font_create_sub_font() does NOT make parent font immutable
    anymore.  hb_font_make_immutable() does.

fonts/harfbuzz/Makefile

@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.56 2015/10/15 10:57:36 wiz Exp $
+# $NetBSD: Makefile,v 1.57 2015/10/21 08:29:02 wiz Exp $
 
-DISTNAME=	harfbuzz-1.0.4
+DISTNAME=	harfbuzz-1.0.6
 CATEGORIES=	fonts
 MASTER_SITES=	http://www.freedesktop.org/software/harfbuzz/release/
 EXTRACT_SUFX=	.tar.bz2

fonts/harfbuzz/distinfo

@@ -1,6 +1,6 @@
-$NetBSD: distinfo,v 1.41 2015/10/15 10:57:36 wiz Exp $
+$NetBSD: distinfo,v 1.42 2015/10/21 08:29:02 wiz Exp $
 
-SHA1 (harfbuzz-1.0.4.tar.bz2) = 3dd67523835bb913bb98ce3354478c4be29a36e4
-RMD160 (harfbuzz-1.0.4.tar.bz2) = 2a619ffca798f4ea2a5f3349ca9d84c70ca4b4f3
-SHA512 (harfbuzz-1.0.4.tar.bz2) = 9c6b2c5588cd23f5e3aa2a8b682033758fcbfda4218639ec104def7e67262faea01d783f46abfe7feec836e41dbeb6dc3c9c26380b5d1b0383a24a049e0af1fc
-Size (harfbuzz-1.0.4.tar.bz2) = 1235700 bytes
+SHA1 (harfbuzz-1.0.6.tar.bz2) = a5b7d071f106c928fda305edc9113bf936572968
+RMD160 (harfbuzz-1.0.6.tar.bz2) = 702738e7c831ddfe31dc67acda37f3ec7b086b3d
+SHA512 (harfbuzz-1.0.6.tar.bz2) = 20ee169389a784e4ad4e2ff006a59a36879dba0a37a999ff51c2b4d76da9496a1a747d5176e9611998187452e6d18f880295bdfb9f45338acddf772fc3f16021
+Size (harfbuzz-1.0.6.tar.bz2) = 1240522 bytes