Accepting request 106190 from home:vuntz:branches:GNOME:Factory

Update to 2.31.18

OBS-URL: https://build.opensuse.org/request/show/106190
OBS-URL: https://build.opensuse.org/package/show/GNOME:Factory/glib2?expand=0&rev=184

glib2.spec

@@ -20,7 +20,7 @@
 
 Name:           glib2
 %define _name glib
-Version:        2.31.16
+Version:        2.31.18
 Release:        0
 # FIXME: change zlib-devel to pkgconfig(zlib) once we have a recent enough version of zlib
 # FIXME: find out if tapsets should really be in devel package or in main package
@@ -66,8 +66,6 @@ BuildRequires:  python
 BuildRequires:  systemtap-sdt-devel
 %endif
 BuildRequires:  translation-update-upstream
-# Only needed because we don't (and won't) support building xz tarballs by default... See bnc#697467
-BuildRequires:  xz
 BuildRequires:  zlib-devel
 BuildRequires:  pkgconfig(libffi)
 BuildRequires:  pkgconfig(libpcre)