Recommended update for glibc

This update for glibc fixes a potential segmentation fault in libpthread:

- Fork in libpthread cannot use IFUNC resolver. (bsc#1007851, bsc#1029725, bsc#1029900)

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

Fixed bugs
bnc#1007851
An application crashes while fork()ing
bnc#1029725
An application crashes while fork()ing
bnc#1029900
LD_BIND_NOW causes SIGSEGV with python
Selected Binaries
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