[glib: 2/2] Merge branch 'fix-utf8-pointer-test' into 'master'

[Philip Withnall <pwithnall src gnome org>]

commit e825a98845334e1ce79b08d978594cca9b37152f
Merge: 4dcad56fb b555119ca
Author: Philip Withnall <philip tecnocode co uk>
Date:   Thu Nov 14 18:38:03 2019 +0000

    Merge branch 'fix-utf8-pointer-test' into 'master'
    
    gunicode: Fix an UB in gutf8.c and utf8-pointer test
    
    Closes #1917
    
    See merge request GNOME/glib!1199

 glib/gutf8.c              |   7 +--
 glib/tests/utf8-pointer.c | 115 ++++++++++++++++++++++++++++++----------------
 2 files changed, 80 insertions(+), 42 deletions(-)
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