[gnome-packagekit] Fix a possible crash in the service pack code. Spotted by clang

[Richard Hughes <rhughes src gnome org>]

commit 876f3d853ff82c9ef7f99e43e66bcac1d667105f
Author: Richard Hughes <richard hughsie com>
Date:   Mon Sep 7 10:16:32 2009 +0100

    Fix a possible crash in the service pack code. Spotted by clang

 src/gpk-service-pack.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gpk-service-pack.c b/src/gpk-service-pack.c
index 80d3981..aac829e 100644
--- a/src/gpk-service-pack.c
+++ b/src/gpk-service-pack.c
@@ -215,7 +215,7 @@ gpk_pack_resolve_package_id (const gchar *package)
 {
 	PkPackageList *list = NULL;
 	gchar *package_id = NULL;
-	gchar **packages;
+	gchar **packages = NULL;
 	GError *error = NULL;
 	const PkPackageObj *obj;
 	gboolean ret = FALSE;