fix: gobject-introspection write out of buildout parts directory

component/firewalld/buildout.cfg

@@ -81,6 +81,7 @@ environment =
   GLIB_LIBS=-L${glib:location}/lib -lglib-2.0 -lintl -lgobject-2.0
   FFI_CFLAGS=-I${libffi:location}/include
   FFI_LIBS=-L${libffi:location}/lib -Wl,-rpath=${libffi:location}/lib -lffi
+  GIR_DIR=${buildout:parts-directory}/${:_buildout_section_name_}/share/gir-1.0
 
 [pygobject3]
 recipe = slapos.recipe.cmmi
@@ -144,4 +145,3 @@ extra-paths =
   ${dbus-python:python-egg}
   ${firewalld:python-egg}
   ${pygobject3:python-egg}
-