update of gd to 2.2.4.

Upstream Changelog:
Security

    gdImageCreate() doesn't check for oversized images and as such is prone to DoS vulnerabilities. (CVE-2016-9317)
    double-free in gdImageWebPtr() (CVE-2016-6912)
    potential unsigned underflow in gd_interpolation.c
    DOS vulnerability in gdImageCreateFromGd2Ctx()

Fixed

    Fix #354: Signed Integer Overflow gd_io.c
    Fix #340: System frozen
    Fix OOB reads of the TGA decompression buffer
    Fix DOS vulnerability in gdImageCreateFromGd2Ctx()
    Fix potential unsigned underflow
    Fix double-free in gdImageWebPtr()
    Fix invalid read in gdImageCreateFromTiffPtr()
    Fix OOB reads of the TGA decompression buffer
    Fix #68: gif: buffer underflow reported by AddressSanitizer
    Avoid potentially dangerous signed to unsigned conversion
    Fix #304: test suite failure in gif/bug00006 [2.2.3]
    Fix #329: GD_BILINEAR_FIXED gdImageScale() can cause black border
    Fix #330: Integer overflow in gdImageScaleBilinearPalette()
    Fix 321: Null pointer dereferences in gdImageRotateInterpolated
    Fix whitespace and add missing comment block
    Fix #319: gdImageRotateInterpolated can have wrong background color
    Fix color quantization documentation
    Fix #309: gdImageGd2() writes wrong chunk sizes on boundaries
    Fix #307: GD_QUANT_NEUQUANT fails to unset trueColor flag
    Fix #300: gdImageClone() assigns res_y = res_x
    Fix #299: Regression regarding gdImageRectangle() with gdImageSetThickness()
    Replace GNU old-style field designators with C89 compatible initializers
    Fix #297: gdImageCrop() converts palette image to truecolor image
    Fix #290: TGA RLE decoding is broken
    Fix unnecessary non NULL checks
    Fix #289: Passing unrecognized formats to gdImageGd2 results in corrupted files
    Fix #280: gdImageWebpEx() quantization parameter is a misnomer
    Publish all gdImageCreateFromWebp*() functions and gdImageWebpCtx()
    Fix issue #276: Sometimes pixels are missing when storing images as BMPs
    Fix issue #275: gdImageBmpCtx() may segfault for non-seekable contexts
    Fix copy&paste error in gdImageScaleBicubicFixed()

Added

    More documentation
    Documentation on GD and GD2 formats
    More tests

graphics/gd/Makefile

@@ -1,7 +1,7 @@
-# $NetBSD: Makefile,v 1.112 2016/10/05 03:10:31 taca Exp $
+# $NetBSD: Makefile,v 1.113 2017/02/04 23:05:51 spz Exp $
 
-DISTNAME=	libgd-2.2.3
-PKGREVISION=	1
+DISTNAME=	libgd-2.2.4
+#PKGREVISION=	1
 PKGNAME=	${DISTNAME:S/libgd/gd/}
 CATEGORIES=	graphics
 MASTER_SITES=	${MASTER_SITE_GITHUB:=libgd/}

graphics/gd/distinfo

@@ -1,7 +1,6 @@
-$NetBSD: distinfo,v 1.42 2016/10/05 03:10:31 taca Exp $
+$NetBSD: distinfo,v 1.43 2017/02/04 23:05:51 spz Exp $
 
-SHA1 (libgd-2.2.3.tar.xz) = 2f8cebec5afd6c83a3d5cb92f40ea4926b4daa98
-RMD160 (libgd-2.2.3.tar.xz) = e6c29133c2ea33c8ba16571892d2798ef0f5afea
-SHA512 (libgd-2.2.3.tar.xz) = bdc6d086bc054beda6574ec46baa4cd94048a5f2f357f875ba05983e92d247f1b731434b9e438c6aef09d46fa96f1a7e1f330a25a77ffd2dd78aa8a32d652557
-Size (libgd-2.2.3.tar.xz) = 2164152 bytes
-SHA1 (patch-src_gd__webp.c) = 55c5929007ffe0d9ab23b7fed9abf373bc188de8
+SHA1 (libgd-2.2.4.tar.xz) = 67779817d7aecb94594c43ace949af350ca1df7f
+RMD160 (libgd-2.2.4.tar.xz) = 4b0ac89bf547aa7b6550e33d79fe5ca05801b4e6
+SHA512 (libgd-2.2.4.tar.xz) = 07903f322c4f6ab392508b0f60c38ca133699111ea92995dc6cd9379210d598bcb24a46c19657884d9e252f8663d0ee8c89c600e3a382a5ae598198c190f39b5
+Size (libgd-2.2.4.tar.xz) = 2478528 bytes