package/libvncserver: fix homepage
libvncserver homepage is https://libvnc.github.io/, last version on
sourceforge is 0.9.9 (seven years ago)
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 5324d7e07a2a0e6db48b6fdd4d38c4a18d53a77b)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>