[aravis] build: fix ARAVIS_EXTRA_REQUIRES default value.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 128a840265ee44d58df1adc031caae61a5b7fb8f
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Wed Jan 12 11:00:29 2011 +0100

    build: fix ARAVIS_EXTRA_REQUIRES default value.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 0e19d96..6760916 100644
--- a/configure.ac
+++ b/configure.ac
@@ -44,7 +44,7 @@ AC_ARG_ENABLE(gstreamer,
 PKG_PROG_PKG_CONFIG([0.14])
 
 ARAVIS_REQUIRES="[gobject-2.0 glib-2.0 >= 2.22 gio-2.0 libxml-2.0 gthread-2.0]"
-ARAVIS_EXTRA_REQUIRES="$(ARAVIS_REQUIRES)"
+ARAVIS_EXTRA_REQUIRES="${ARAVIS_REQUIRES}"
 
 with_cairo=no
 if test "x$enable_cairo" = "xyes"; then