[aravis] build: make distcheck pass.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 6de3fc02d46974f7536e84a596f1886fde4eb22b
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Tue Jun 21 11:09:10 2011 +0200

    build: make distcheck pass.

 tests/Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index f53f9b7..a55ca90 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -43,3 +43,5 @@ genicam_LDADD = $(test_progs_ldadd)
 
 cpp_SOURCES = cpp.cc
 cpp_LDADD = $(test_progs_ldadd)
+
+EXTRA_DIST = data/genicam.xml