set GLIB_CFLAGS and GLIB_LIBS variables so that the initial compilation...

set GLIB_CFLAGS and GLIB_LIBS variables so that the initial compilation without having pkg-config works.
Signed-off-by: Cédric de Saint Martin <cedric.dsm@tiolive.com>

component/pkgconfig/buildout.cfg

@@ -27,3 +27,5 @@ environment =
   PKG_CONFIG_PATH=${glib:location}/lib/pkgconfig
   CPPFLAGS=-I${glib:location}/include -I${popt:location}/include
   LDFLAGS=-L${gettext:location}/lib -Wl,-rpath=${gettext:location}/lib -L${glib:location}/lib -Wl,-rpath=${glib:location}/lib -L${popt:location}/lib -Wl,-rpath=${popt:location}/lib
+  GLIB_CFLAGS=-I${glib:location}/include/glib-2.0 -I${glib:location}/lib/glib-2.0/include
+  GLIB_LIBS=-L${glib:location}/lib -lglib-2.0 -lintl