Bump version to 0.9

Rather than raising the version number to 1.0 now that all of the TODO items are
checked off, I figured it would be easier to keep the version tied to the
version of libvdpau, since new libvdpau releases that define new profiles always
need corresponding changes to vdpauinfo.
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

configure.ac

 AC_PREREQ([2.57])
-AC_INIT(vdpauinfo,[0.1],[xorg@lists.freedesktop.org],vdpauinfo)
+AC_INIT(vdpauinfo,[0.9],[xorg@lists.freedesktop.org],vdpauinfo)
 AM_INIT_AUTOMAKE([dist-bzip2 foreign])
 AM_MAINTAINER_MODE