[gupnp-dlna/wip/new-api] Fix a status message when GStreamer is not found.

[Krzesimir Nowak <krnowak src gnome org>]

commit 9ec38a36e4922b980866f6e650c41af263101cda
Author: Krzesimir Nowak <krnowak openismus com>
Date:   Wed Nov 28 11:20:39 2012 +0100

    Fix a status message when GStreamer is not found.
    
    When enable-gstreamer-metadata-backend is auto and GStreamer is not
    found then we should display 'no' instead of 'auto'.

 configure.ac |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 5d17a7a..528d220 100644
--- a/configure.ac
+++ b/configure.ac
@@ -89,6 +89,8 @@ then
         elif test "x$enable_gstreamer_metadata_backend" = 'xyes'
         then
                 AC_MSG_ERROR([GStreamer $GST_MAJORMINOR not found.])
+        else
+                enable_gstreamer_metadata_backend='no'
         fi
 fi