update travis/pecl

diff --git a/travis/pecl b/travis/pecl
index 3082fa402615915b384a6150957b66d37ab6d092..cbe0b643110ac1880d3403ad7f9f9cf8ff971840 160000 (submodule)
--- a/travis/pecl
+++ b/travis/pecl
@@ -1 +1 @@
-Subproject commit 3082fa402615915b384a6150957b66d37ab6d092
+Subproject commit cbe0b643110ac1880d3403ad7f9f9cf8ff971840