[tracker] build: Set _REQUIRED versions for giff, jpeg and tiff

[Martyn James Russell <mr src gnome org>]

commit d2654ec1861098c8601e5ce5d33b4d5fb11d7bdd
Author: Martyn Russell <martyn lanedo com>
Date:   Wed Feb 8 14:00:28 2012 +0000

    build: Set _REQUIRED versions for giff, jpeg and tiff
    
    We actually don't have a requirement, but if they're not installed, the error
    message doesn't make sense.

 configure.ac |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ff15e98..78d2959 100644
--- a/configure.ac
+++ b/configure.ac
@@ -171,6 +171,9 @@ MEEGOTOUCH_REQUIRED=0.20
 POPPLER_REQUIRED=0.16.0
 CAIRO_REQUIRED=1.0
 GDK_REQUIRED=1.0
+LIBJPEG_REQUIRED="any version"
+LIBGIF_REQUIRED="any version"
+LIBTIFF_REQUIRED="any version"
 LIBVORBIS_REQUIRED=0.22
 LIBFLAC_REQUIRED=1.2.1
 LIBEXIF_REQUIRED=0.6