error: Consistently name Error * objects err, and not errp

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1450452927-8346-25-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
diff --git a/tests/test-string-output-visitor.c b/tests/test-string-output-visitor.c
index 9585252..7aecdfc 100644
--- a/tests/test-string-output-visitor.c
+++ b/tests/test-string-output-visitor.c
@@ -81,7 +81,7 @@
         3, 4, 5, 6, 11, 12, 13, 21, 22, INT64_MAX - 1, INT64_MAX};
     intList *list = NULL, **tmp = &list;
     int i;
-    Error *errp = NULL;
+    Error *err = NULL;
     char *str;
 
     for (i = 0; i < sizeof(value) / sizeof(value[0]); i++) {
@@ -90,8 +90,8 @@
         tmp = &(*tmp)->next;
     }
 
-    visit_type_intList(data->ov, &list, NULL, &errp);
-    g_assert(errp == NULL);
+    visit_type_intList(data->ov, &list, NULL, &err);
+    g_assert(err == NULL);
 
     str = string_output_get_string(data->sov);
     g_assert(str != NULL);