Log Message:
gd: updated to 2.3.0

2.3.0:
Security
Potential double-free in gdImage*Ptr(). (CVE-2019-6978)
gdImageColorMatch() out of bounds write on heap. (CVE-2019-6977)
Uninitialized read in gdImageCreateFromXbm(). (CVE-2019-11038)
Double-free in gdImageBmp. (CVE-2018-1000222)
Potential NULL pointer dereference in gdImageClone(). (CVE-2018-14553)
Potential infinite loop in gdImageCreateFromGifCtx(). (CVE-2018-5711)

Fixed
Fix: add codecov support
Fix: gdTransformAffineCopy run error
Fix: Install dependencies move to .travis.yml
Fix: gdTransformAffineCopy() segfaults on palette images
Fix: gdTransformAffineCopy() changes interpolation method
Fix: gdImageSetInterpolationMethod(im, GD_DEFAULT) inconsistent
Fix: gdTransformAffineCopy() may use unitialized values
Fix: Remove cmake modules
Fix: Add RAQM support for cmake
Fix: gdImageGifAnimAddPtr: heap corruption with 2 identical images
Fix: gdImageCropAuto(…, GD_CROP_SIDES) crops left but not right
Fix: auto cropping has insufficient precision
Fix: Provide a suitable malloc function to liq
Fix: libtiff link returns 404 HTTP code
Fix: Failed to open 1 bit per pixel bitmap
Fix: new_width & new_height exception handling
Fix: gdImageCrop neglecting transparency
Fix: Potential infinite loop in gdImageCreateFromGifCtx
Fix: gd_gd.c format documentation appears to be incorrect
Fix: Fix new_a init error in gdImageConvolution()
Fix: gdImageFilledArc() doesn't properly draw pies
Fix: Fatal and normal libjpeg/libpng errors not distinguishable
Fix: Update var type to hold bigger w&h for ellipse
Fix: update doc files install directory in CMakeLists.txt
Correct some test depend errors
Update cmake min version to 3.7
Delete libimagequant source code download action in CMakeLists.txt
Improve msys support
Fix some logic error in CMakeLists.txt
Remove the following macro: HAVE_STDLIB_H, HAVE_STRING_H, HAVE_STDDEF_H, \ 
HAVE_LIMITS_H, HAVE_ERRNO_H, AC_C_CONST

Added
test cases for following API: gdImageCopyResized(), gdImageWebpEx(), \ 
gdImageCreateFromGd2PartPtr(), gdImageCloneMatch(), gdImageColorClosestHWB(), \ 
gdImageColorMatch(), gdImageStringUp(), gdImageStringUp16(), gdImageString(), \ 
gdImageString16(), gdImageCopyMergeGray(), gdImageCopyMerge()