[tracker] configure: fix conditional AM_CONDITIONAL

[Sam Thursfield <sthursfield src gnome org>]

commit d93944050c7d6d1df10aaca18d4c60794ab72a05
Author: Ralph Boehme <slow samba org>
Date:   Fri Jun 19 12:28:50 2015 +0200

    configure: fix conditional AM_CONDITIONAL
    
    Signed-off-by: Ralph Boehme <slow samba org>

 configure.ac |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 7d89eaa..21cbafb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1890,6 +1890,9 @@ elif test "$have_generic_media_handler_app" = "libav"; then
     AC_DEFINE(HAVE_GSTREAMER, [], [Define if we have libav])
     AM_CONDITIONAL(HAVE_LIBAV, true)
     AM_CONDITIONAL(HAVE_GSTREAMER, false)
+else
+    AM_CONDITIONAL(HAVE_LIBAV, false)
+    AM_CONDITIONAL(HAVE_GSTREAMER, false)
 fi
 
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