More memory leaks from valgrind
diff --git a/Modules/_sqlite/module.c b/Modules/_sqlite/module.c
index fb6eb06..71d0aaa 100644
--- a/Modules/_sqlite/module.c
+++ b/Modules/_sqlite/module.c
@@ -280,21 +280,25 @@
         goto error;
     }
     PyDict_SetItemString(dict, "PARSE_DECLTYPES", tmp_obj);
+    Py_DECREF(tmp_obj);
 
     if (!(tmp_obj = PyInt_FromLong(PARSE_COLNAMES))) {
         goto error;
     }
     PyDict_SetItemString(dict, "PARSE_COLNAMES", tmp_obj);
+    Py_DECREF(tmp_obj);
 
     if (!(tmp_obj = PyString_FromString(PYSQLITE_VERSION))) {
         goto error;
     }
     PyDict_SetItemString(dict, "version", tmp_obj);
+    Py_DECREF(tmp_obj);
 
     if (!(tmp_obj = PyString_FromString(sqlite3_libversion()))) {
         goto error;
     }
     PyDict_SetItemString(dict, "sqlite_version", tmp_obj);
+    Py_DECREF(tmp_obj);
 
     /* initialize microprotocols layer */
     microprotocols_init(dict);