Security update for pango

This update for pango fixes the following issue:

Security issue fixed:

- CVE-2018-15120: Fixed a denial of service when parsing emoji (bsc#1103877)

This update was imported from the SUSE:SLE-15:Update update project.

Fixed bugs
bnc#1103877
VUL-0: CVE-2018-15120: pango: denial of service by emoji (assertion failure)
Selected Binaries
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