- Version update to 2.2.5:
### Security
- Double-free in gdImagePngPtr(). (CVE-2017-6362)
- Buffer over-read into uninitialized memory. (CVE-2017-7890)

### Fixed
- Fix #109: XBM reading fails with printed error
- Fix #338: Fatal and normal libjpeg/ibpng errors not distinguishable
- Fix #357: 2.2.4: Segfault in test suite
- Fix #386: gdImageGrayScale() may produce colors
- Fix #406: webpng -i removes the transparent color
- Fix Coverity #155475: Failure to restore alphaBlendingFlag
- Fix Coverity #155476: potential resource leak
- Fix several build issues and test failures
- Fix and reenable optimized support for reading 1 bps TIFFs

### Added
- The native MSVC buildchain now supports libtiff and most executables
- removed patches (upstreamed):
. gd-freetype.patch
. gd-rounding.patch