update travis

diff --git a/travis/pecl b/travis/pecl
index 180b4945beb4d4a274ab640f9a18b88dbc9065a5..54a746ab5e068060f53796d0aca55f76656bb8b1 160000 (submodule)
--- a/travis/pecl
+++ b/travis/pecl
@@ -1 +1 @@
-Subproject commit 180b4945beb4d4a274ab640f9a18b88dbc9065a5
+Subproject commit 54a746ab5e068060f53796d0aca55f76656bb8b1