Fix check_indices_files_exist in check-archive.

Signed-off-by: NChris Lamb <lamby@debian.org>

dak/check_archive.py

@@ -427,8 +427,8 @@ def check_indices_files_exist():
     """
     for suite in [ "stable", "testing", "unstable" ]:
         for component in Cnf.ValueList("Suite::%s::Components" % (suite)):
-            architectures = database.get_suite_architectures(suite)
-            for arch in [ i.lower() for i in architectures ]:
+            architectures = get_suite_architectures(suite)
+            for arch in [ i.arch_string.lower() for i in architectures ]:
                 if arch == "source":
                     validate_sources(suite, component)
                 elif arch == "all":