app-admin/system-config-printer: Call udev_reload

Closes: https://bugs.gentoo.org/861896
Signed-off-by: Pacho Ramos <pacho@gentoo.org>

app-admin/system-config-printer/system-config-printer-1.5.16-r1.ebuild

@@ -5,7 +5,7 @@ EAPI=8
 
 PYTHON_COMPAT=( python3_{8..10} )
 PYTHON_REQ_USE="xml"
-inherit python-single-r1 systemd xdg
+inherit python-single-r1 systemd udev xdg
 
 DESCRIPTION="Graphical user interface for CUPS administration"
 HOMEPAGE="https://github.com/OpenPrinting/system-config-printer"
@@ -80,3 +80,11 @@ src_install() {
 	python_optimize
 	python_domodule cupshelpers
 }
+
+pkg_postinst() {
+	udev_reload
+}
+
+pkg_postrm() {
+	udev_reload
+}