mod_storage_sql: Be more specific when checking for old index in SQLite3 Prevents false positives in the odd case where something other than an index with this name might exist.

return {
  _all = {
  },
  default = {
    ["exclude-tags"] = "mod_bosh,storage,SLOW";
  };
  bosh = {
    tags = "mod_bosh";
  };
  storage = {
    tags = "storage";
  };
}