Security update for webkit2gtk3

This update for webkit2gtk3 to version 2.22.5 fixes the following issues:

Security issues fixed:

- CVE-2018-4438: Fixed a logic issue which lead to memory corruption (bsc#1119554)
- CVE-2018-4437, CVE-2018-4441, CVE-2018-4442, CVE-2018-4443, CVE-2018-4464:
Fixed multiple memory corruption issues with improved memory handling
(bsc#1119553, bsc#1119555, bsc#1119556, bsc#1119557, bsc#1119558)

This update was imported from the SUSE:SLE-12-SP2:Update update project.

Fixed bugs
bnc#1119555
VUL-0: CVE-2018-4441: webkit2gtk3: memory corruption issue was addressed with improved memory handling (WSA-2018-0009)
bnc#1119554
VUL-0: CVE-2018-4438: webkit2gtk3: logic issue existed resulting in memory corruption (WSA-2018-0009)
bnc#1119557
VUL-0: CVE-2018-4443: webkit2gtk3: memory corruption issue was addressed with improved memory handling (WSA-2018-0009)
bnc#1119556
VUL-0: CVE-2018-4442: webkit2gtk3: memory corruption issue was addressed with improved memory handling (WSA-2018-0009)
bnc#1119553
VUL-0: CVE-2018-4437: webkit2gtk3: multiple memory corruption issues were addressed with improved memory handling (WSA-2018-0009)
bnc#1119558
VUL-0: CVE-2018-4464: webkit2gtk3: multiple memory corruption issues were addressed with improved memory handling (WSA-2018-0009)
Selected Binaries
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