[gnome-video-arcade] Re-add dependency info for libsoup.

[Jordi Mallach <jordim src gnome org>]

commit 970749a7afe13d9ec79d680f12bf489a70db67e7
Author: Jordi Mallach <jordi sindominio net>
Date:   Mon Jan 16 00:05:53 2012 +0100

    Re-add dependency info for libsoup.

 README |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/README b/README
index db0247e..c79e085 100644
--- a/README
+++ b/README
@@ -59,6 +59,15 @@ installed prior to compiling the source code:
        should be something similar to sqlite-devel (Fedora) or
        libsqlite3-dev (Debian/Ubuntu).
 
+   - Header files for libsoup version 2.4 (or higher).
+
+       GNOME Video Arcade uses libsoup to download arcade-related images
+       off the web for use in the Properties window. The libsoup header
+       files should be available from your GNU/Linux distribution as a
+       "development" package. The exact package name varies by
+       distribution, but it should be something similar to libsoup-devel
+       (Fedora) or libsoup2.4-dev (Debian/Ubuntu).
+
    - Header files and base plugins for GStreamer. (optional)
 
        The GStreamer header files should be available from your