storagemanager: Fix argument (Thanks Maranda)

diff --git a/core/storagemanager.lua b/core/storagemanager.lua
index 5a7bb7bd6e716855aea8651eb0c6d9de5b0f30e7..97ff084f7267f0ff109b4963707a44ff1e9d7447 100644 (file)
--- a/core/storagemanager.lua
+++ b/core/storagemanager.lua
@@ -96,6 +96,7 @@ end
 
 function purge(user, host)
        local storage = config.get(host, "storage");
+       local driver_name;
        if type(storage) == "table" then
                -- multiple storage backends in use that we need to purge
                local purged = {};