-fix memory leak

src/exchangedb/exchange_do_batch_coin_known.sql

@@ -390,7 +390,7 @@ FROM exists;
 RETURN;
 END $$;
 
-/*** THIS SQL CODE WORKS ***/
+/*** Experiment using a loop ***/
 /*
 CREATE OR REPLACE FUNCTION exchange_do_batch2_known_coin(
   IN in_coin_pub1 BYTEA,

src/lib/auditor_api_deposit_confirmation.c

@@ -362,10 +362,16 @@ TALER_AUDITOR_deposit_confirmation (
                                   dh->ctx.headers,
                                   &handle_deposit_confirmation_finished,
                                   dh);
+  {
     /* Disable 100 continue processing */
+    struct curl_slist *x_headers;
+
+    x_headers = curl_slist_append (NULL,
+                                   "Expect:");
     GNUNET_CURL_extend_headers (dh->job,
-                              curl_slist_append (NULL,
-                                                 "Expect:"));
+                                x_headers);
+    curl_slist_free_all (x_headers);
+  }
   return dh;
 }