update: add preremove to glib

dev-libs/glib-2.84.4.PKGBUILD

@@ -57,3 +57,10 @@ src_install() {
   leaf_install_hook "${filedir}/${sources[2]}"
   leaf_install_hook "${filedir}/${sources[3]}"
 }
+
+src_preremove() {
+  rm -vf /usr/lib/gio/modules/giomodule.cache
+  rm -vf /usr/share/glib-2.0/schemas/gschemas.compiled
+}
+
+# vim:ft=sh syn=sh et sw=2: