[pango] Created tag 1.42.4

[Matthias Clasen <matthiasc src gnome org>]

The unsigned tag '1.42.4' was created.

Tagger: Matthias Clasen <mclasen redhat com>
Date: 1534778193 +0000

    1.42.4

Changes since the last tag '1.42.3':

Khaled Hosny (2):
      Merge branch 'surrogate' into 'master'
      Merge branch 'c89' into 'master'

Matthias Clasen (2):
      Prevent an assertion with invalid Unicode sequences
      1.42.4

Ryan Schmidt (2):
      Fix build failure in C89 mode
      Fix build failure on Mac OS X 10.5 and earlier