Repair refleaks in unicodeobject.
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index eb5bdd8..970e69f 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -3194,6 +3194,8 @@
                 goto failed1;
             if (PyDict_SetItem(result, key, value) == -1)
                 goto failed1;
+            Py_DECREF(key);
+            Py_DECREF(value);
         }
         return result;
       failed1:
@@ -3389,6 +3391,7 @@
 	    *outpos += repsize;
 	}
     }
+    Py_DECREF(rep);
     return enc_SUCCESS;
 }