This release consists of bugfixes and minor portability improvements. Some potential buffer overflows and arithmetic overflows were fixed, including CVE-2017-12067. A bug triggered by very large bitmaps has been fixed. A new configuration option --enable-local-getopt was added. Thanks to Agostino Sarubbo, Daniel Macks, and Michael Voříšek for reporting bugs and suggesting improvements.
Signed-off-by: Pierre-Yves <pyu@riseup.net>