mingw-headers: updated to r5969
mingw-crt: updated to r5969
fontconfig: rebuilt to avoid strnlen dependency which causes runtime issues on Windows XP
glib2: updated to 2.37.5
build-all: improved documentation
cairo: fixed crashing bug in running GTK+ programs

GTK+ programs crash when any window is popped up from the running GTK+
program: https://bugzilla.gnome.org/show_bug.cgi?id=704540

Cairo bug and patch: https://bugs.freedesktop.org/show_bug.cgi?id=63787
Mass rebuild