Fix linking error on sfml and cegui: harfbuzz issues

Packages sfml and cegui fail to build because of this. libharfbuzz_too.a requires glibc and it must be repeated after it.

Here is the error message from sfml:

    'i686-pc-mingw32.static-g++' -W -Wall -Werror -ansi -pedantic './src/sfml-test.cpp' -o '~/lib/mxe/usr/i686-pc-mingw32.static/bin/test-sfml.exe' `i686-pc-mingw32.static-pkg-config --cflags --libs sfml`
    ~/lib/mxe/usr/lib/gcc/i686-pc-mingw32.static/4.9.0/../../../../i686-pc-mingw32.static/lib/libharfbuzz_too.a(libharfbuzz_la-hb-glib.o): In function `hb_glib_unicode_script':
    ~/lib/mxe/tmp-harfbuzz-i686-pc-mingw32.static/harfbuzz-0.9.29/src/hb-glib.cc:236: undefined reference to `g_unichar_get_script'
    ~/lib/mxe/usr/lib/gcc/i686-pc-mingw32.static/4.9.0/../../../../i686-pc-mingw32.static/lib/libharfbuzz_too.a(libharfbuzz_la-hb-glib.o): In function `hb_glib_unicode_mirroring':
    ~/lib/mxe/tmp-harfbuzz-i686-pc-mingw32.static/harfbuzz-0.9.29/src/hb-glib.cc:227: undefined reference to `g_unichar_get_mirror_char'
    ~/lib/mxe/usr/lib/gcc/i686-pc-mingw32.static/4.9.0/../../../../i686-pc-mingw32.static/lib/libharfbuzz_too.a(libharfbuzz_la-hb-glib.o): In function `hb_glib_unicode_eastasian_width':
    ~/lib/mxe/tmp-harfbuzz-i686-pc-mingw32.static/harfbuzz-0.9.29/src/hb-glib.cc:209: undefined reference to `g_unichar_iswide'
    ~/lib/mxe/usr/lib/gcc/i686-pc-mingw32.static/4.9.0/../../../../i686-pc-mingw32.static/lib/libharfbuzz_too.a(libharfbuzz_la-hb-glib.o): In function `hb_glib_unicode_decompose_compatibility':
    ~/lib/mxe/tmp-harfbuzz-i686-pc-mingw32.static/harfbuzz-0.9.29/src/hb-glib.cc:343: undefined reference to `g_unichar_fully_decompose'
    ~/lib/mxe/usr/lib/gcc/i686-pc-mingw32.static/4.9.0/../../../../i686-pc-mingw32.static/lib/libharfbuzz_too.a(libharfbuzz_la-hb-glib.o): In function `hb_glib_unicode_decompose':
    ~/lib/mxe/tmp-harfbuzz-i686-pc-mingw32.static/harfbuzz-0.9.29/src/hb-glib.cc:284: undefined reference to `g_unichar_decompose'
    ~/lib/mxe/usr/lib/gcc/i686-pc-mingw32.static/4.9.0/../../../../i686-pc-mingw32.static/lib/libharfbuzz_too.a(libharfbuzz_la-hb-glib.o): In function `hb_glib_unicode_compose':
    ~/lib/mxe/tmp-harfbuzz-i686-pc-mingw32.static/harfbuzz-0.9.29/src/hb-glib.cc:247: undefined reference to `g_unichar_compose'
    ~/lib/mxe/usr/lib/gcc/i686-pc-mingw32.static/4.9.0/../../../../i686-pc-mingw32.static/lib/libharfbuzz_too.a(libharfbuzz_la-hb-glib.o): In function `hb_glib_script_to_script':
    ~/lib/mxe/tmp-harfbuzz-i686-pc-mingw32.static/harfbuzz-0.9.29/src/hb-glib.cc:164: undefined reference to `g_unicode_script_to_iso15924'
    ~/lib/mxe/usr/lib/gcc/i686-pc-mingw32.static/4.9.0/../../../../i686-pc-mingw32.static/lib/libharfbuzz_too.a(libharfbuzz_la-hb-glib.o): In function `hb_glib_unicode_general_category':
    ~/lib/mxe/tmp-harfbuzz-i686-pc-mingw32.static/harfbuzz-0.9.29/src/hb-glib.cc:219: undefined reference to `g_unichar_type'
    ~/lib/mxe/usr/lib/gcc/i686-pc-mingw32.static/4.9.0/../../../../i686-pc-mingw32.static/lib/libharfbuzz_too.a(libharfbuzz_la-hb-glib.o): In function `hb_glib_unicode_combining_class':
    ~/lib/mxe/tmp-harfbuzz-i686-pc-mingw32.static/harfbuzz-0.9.29/src/hb-glib.cc:201: undefined reference to `g_unichar_combining_class'
    ~/lib/mxe/usr/lib/gcc/i686-pc-mingw32.static/4.9.0/../../../../i686-pc-mingw32.static/lib/libharfbuzz_too.a(libharfbuzz_la-hb-glib.o): In function `hb_glib_script_to_script':
    ~/lib/mxe/tmp-harfbuzz-i686-pc-mingw32.static/harfbuzz-0.9.29/src/hb-glib.cc:164: undefined reference to `g_unicode_script_to_iso15924'
    ~/lib/mxe/usr/lib/gcc/i686-pc-mingw32.static/4.9.0/../../../../i686-pc-mingw32.static/lib/libharfbuzz_too.a(libharfbuzz_la-hb-glib.o): In function `hb_glib_script_from_script':
    ~/lib/mxe/tmp-harfbuzz-i686-pc-mingw32.static/harfbuzz-0.9.29/src/hb-glib.cc:180: undefined reference to `g_unicode_script_from_iso15924'
    collect2: error: ld returned 1 exit status
    make[1]: *** [build-only-sfml_i686-pc-mingw32.static] Error 1
    make[1]: Leaving directory `~/lib/mxe'