package/selinux-python: add missing empty line before URL

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/selinux-python/Config.in

@@ -9,6 +9,7 @@ menuconfig BR2_PACKAGE_SELINUX_PYTHON
 	  A set of SELinux tools written in python that help with
 	  managing a system with SELinux enabled. If no packages are
 	  selected nothing will actually be built.
+
 	  https://github.com/SELinuxProject/selinux/wiki
 
 if BR2_PACKAGE_SELINUX_PYTHON