contrib: run RECONF in dvdnav

As configure.ac is patched

contrib/src/dvdnav/rules.mak

@@ -21,7 +21,6 @@ $(TARBALLS)/libdvdnav-$(LIBDVDNAV_VERSION).tar.bz2:
 
 dvdnav: libdvdnav-$(LIBDVDNAV_VERSION).tar.bz2 .sum-dvdnav
 	$(UNPACK)
-	$(call update_autoconfig,.)
 	$(APPLY) $(SRC)/dvdnav/0001-configure-don-t-use-ms-style-packing.patch
 	# turn asserts/exit into silent discard
 	$(APPLY) $(SRC)/dvdnav/0001-play-avoid-assert-and-exit-and-bogus-PG-link.patch
@@ -33,6 +32,7 @@ DEPS_dvdnav = dvdread $(DEPS_dvdread)
 
 .dvdnav: dvdnav
 	$(REQUIRE_GPL)
+	$(RECONF)
 	$(MAKEBUILDDIR)
 	$(MAKECONFIGURE)
 	+$(MAKEBUILD)