Recommended update for glibc

This update for glibc fixes the following issues:

- nptl: wait for pending setxid request also in detached thread. (bsc#1162930)

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

Fixed bugs
bnc#1162930
L3: SMS Reliability:- nbackup and tsatest runs are hung after 7 continuous days of run
Selected Binaries
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