Contrib: use a new DVDnav fork

Should close #8125
(cherry picked from commit 9daa9e5d25ebebc35a8b6be32c3b357e9f1985f9)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

contrib/src/dvdnav/rules.mak

@@ -2,7 +2,7 @@
 
 # LIBDVDNAV_VERSION := 4.2.0
 # LIBDVDNAV_URL := http://dvdnav.mplayerhq.hu/releases/libdvdnav-$(LIBDVDNAV_VERSION).tar.bz2
-DVDNAV_GITURL := git://github.com/microe/libdvdnav
+DVDNAV_GITURL := git://git.videolan.org/libdvdnav
 LIBDVDNAV_VERSION := git
 
 ifdef BUILD_DISCS