This update for SDL2_image fixes the following issues:
Security issues fixed:
- CVE-2018-3839: Fixed an exploitable code execution vulnerability that
existed in the XCF image rendering functionality of the Simple
DirectMedia Layer (bsc#1089087).
- CVE-2018-3977: Fixed a possible code execution via creafted XCF image
that could have caused a heap overflow (bsc#1114519).
This update was imported from the openSUSE:Leap:15.0:Update update project.