[gnome-color-manager/colord] Fix a critial warning when installing the shared-color-targets data

[Richard Hughes <rhughes src gnome org>]

commit 91a2e89ba9dfe14bb8e39f8caa92ace490230c6b
Author: Richard Hughes <richard hughsie com>
Date:   Fri Feb 11 13:41:13 2011 +0000

    Fix a critial warning when installing the shared-color-targets data

 src/gcm-utils.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gcm-utils.c b/src/gcm-utils.c
index 99a467d..057ca97 100644
--- a/src/gcm-utils.c
+++ b/src/gcm-utils.c
@@ -185,7 +185,7 @@ gcm_utils_install_package (const gchar *package_name, GtkWindow *window)
 						PK_DBUS_INTERFACE_MODIFY,
 						"InstallPackageNames",
 						args,
-						G_VARIANT_TYPE ("(b)"),
+						NULL,
 						G_DBUS_CALL_FLAGS_NONE,
 						G_MAXINT, NULL, &error);
 	if (response == NULL) {