glibc: bump version for post-2.28 security fixes

glibc: bump version for post-2.28 security fixes

Fixes the following security vulnerability:

  CVE-2018-19591: A file descriptor leak in if_nametoindex can lead to a
  denial of service due to resource exhaustion when processing getaddrinfo
  calls with crafted host names.  Reported by Guido Vranken.

Adhemerval Zanella (2):
      Fix misreported errno on preadv2/pwritev2 (BZ#23579)
      x86: Fix Haswell CPU string flags (BZ#23709)

Alexandra Hájková (1):
      Add an additional test to resolv/tst-resolv-network.c

Andreas Schwab (2):
      Fix stack overflow in tst-setcontext9 (bug 23717)
      libanl: properly cleanup if first helper thread creation failed (bug 22927)

DJ Delorie (2):
      malloc: tcache double free check
      malloc: tcache double free check

Florian Weimer (9):
      conform: XFAIL siginfo_t si_band test on sparc64
      stdlib/test-bz22786: Avoid spurious test failures using alias mappings
      stdlib/test-bz22786: Avoid memory leaks in the test itself
      support_blob_repeat: Call mkstemp directory for the backing file
      stdlib/tst-strtod-overflow: Switch to support_blob_repeat
      nscd: Fix use-after-free in addgetnetgrentX [BZ #23520]
      support: Print timestamps in timeout handler
      Revert "malloc: tcache double free check" [BZ #23907]
      CVE-2018-19591: if_nametoindex: Fix descriptor for overlong name [BZ #23927]

H.J. Lu (2):
      i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
      Check multiple NT_GNU_PROPERTY_TYPE_0 notes [BZ #23509]

Ilya Yu. Malakhov (1):
      signal: Use correct type for si_band in siginfo_t [BZ #23562]

Istvan Kurucsai (1):
      malloc: Additional checks for unsorted bin integrity I.

Joseph Myers (2):
      Update syscall-names.list for Linux 4.18.
      Update kernel version in syscall-names.list to 4.19.

Moritz Eckert (1):
      malloc: Mitigate null-byte overflow attacks

Paul Eggert (1):
      Fix tzfile low-memory assertion failure

Paul Pluzhnikov (2):
      Fix BZ#23400 (creating temporary files in source tree), and undefined behavior in test.
      [BZ #20271] Add newlines in __libc_fatal calls.

Pochang Chen (1):
      malloc: Verify size of top chunk.

Rafal Luzynski (1):
      kl_GL: Fix spelling of Sunday, should be "sapaat" (bug 20209).

Stefan Liebler (2):
      Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP [BZ #23275]
      Test stdlib/test-bz22786 exits now with unsupported if malloc fails.

Szabolcs Nagy (2):
      i64: fix missing exp2f, log2f and powf symbols in libm.a [BZ #23822]
      Increase timeout of libio/tst-readline

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>