configure.ac: add libvcdinfo to --enable-vcdx requirements

the module uses libvcd/info.h which is provided by that particular
library and it was also a dependency before the pkg-config detection
Signed-off-by: Daniel Mierswa <impulze@impulze.org>
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

configure.ac

@@ -1773,7 +1773,7 @@ PKG_ENABLE_MODULES_VLC([GNOMEVFS], [access_gnomevfs], [gnome-vfs-2.0], [GnomeVFS
 dnl
 dnl  VCDX modules
 dnl
-PKG_ENABLE_MODULES_VLC([VCDX], [vcdx], [libcdio >= 0.78.2 libiso9660 >= 0.72], [navigate VCD with libvcdinfo], [no])
+PKG_ENABLE_MODULES_VLC([VCDX], [vcdx], [libcdio >= 0.78.2 libiso9660 >= 0.72 libvcdinfo >= 0.7.22], [navigate VCD with libvcdinfo], [no])
 
 dnl
 dnl  Built-in CD-DA and VCD module