[tracker] Upgrade Exempi requirement from 1.99.2 to 2.1.0

[Philip Van Hoof <pvanhoof src gnome org>]

commit 95c73c5a3109122d67097037eb2265d253242e52
Author: Juan A. Suarez Romero <jasuarez igalia com>
Date:   Mon Nov 23 11:52:29 2009 +0100

    Upgrade Exempi requirement from 1.99.2 to 2.1.0
    
    NS_PDF has been added in Exempi 2.1

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 176a54c..8cd2046 100644
--- a/configure.ac
+++ b/configure.ac
@@ -147,7 +147,7 @@ GDK_REQUIRED=1.0
 LIBVORBIS_REQUIRED=0.22
 LIBEXIF_REQUIRED=0.6
 LIBGSF_REQUIRED=1.13
-EXEMPI_REQUIRED=1.99.2
+EXEMPI_REQUIRED=2.1.0
 HILDON_THUMBNAIL_REQUIRED=3.0.10
 EVO_REQUIRED=2.25.5
 EDS_REQUIRED=2.25.5