glib 2.15 not clean with -pedantic

When compiling thunderbird-2.0.0.9 with -pedantic, it fails on /usr/include/glib-2.0/glib/gtestutils.h errors:

$ g++-4.2 -o nsMIMEInfoUnix.o -c -fvisibility=hidden -DMOZILLA_INTERNAL_API -DOSTYPE=\"Linux2.6\" -DOSARCH=\"Linux\" -DBUILD_ID=2007122722 -I. -I../../dist/include/xpcom -I../../dist/include/string -I../../dist/include/unicharutil -I../../dist/include/mimetype -I../../dist/include/uriloader -I../../dist/include/necko -I../../dist/include/rdf -I../../dist/include/webshell -I../../dist/include/plugin -I../../dist/include/pref -I../../dist/include/intl -I../../dist/include/uconv -I../../dist/include/docshell -I../../dist/include/windowwatcher -I../../dist/include/embed_base -I../../dist/include/dom -I../../dist/include/exthandler -I../../dist/include -I/usr/include/nspr -I/usr/include -I/usr/include -I../../dist/sdk/include -fPIC -fno-rtti -fno-exceptions -Wall -Wconversion -Wpointer-arith -Wcast-align -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wno-long-long -pedantic -fshort-wchar -pthread -pipe -DNDEBUG -DTRIMMED -pipe -w -O2 -fno-strict-aliasing -g -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/pixman-1 -DMOZILLA_CLIENT -include ../../mozilla-config.h -Wp,-MD,.deps/nsMIMEInfoUnix.pp ./unix/nsMIMEInfoUnix.cpp
In file included from /usr/include/glib-2.0/glib.h:74,
                 from ./unix/nsMIMEInfoUnix.cpp:30:
/usr/include/glib-2.0/glib/gtestutils.h:25: error: extra ‘;’
/usr/include/glib-2.0/glib/gtestutils.h:121: error: comma at end of enumerator list
/usr/include/glib-2.0/glib/gtestutils.h:218: error: comma at end of enumerator list
/usr/include/glib-2.0/glib/gtestutils.h:243: error: extra ‘;’

ii libglib2.0-0 2.15.0-0ubuntu1 The GLib library of C routines
ii libglib2.0-dev 2.15.0-0ubuntu1 Development files for the GLib library