update travis

[m6w6/ext-apfd] / travis / pecl

diff --git a/travis/pecl b/travis/pecl
index 79de9c8e52f16a2e06324683cf4c00c91df1b6c1..b6683bb97ca8618dacf7d101e5844d1bb1b2838a 160000 (submodule)
--- a/travis/pecl
+++ b/travis/pecl
@@ -1 +1 @@
-Subproject commit 79de9c8e52f16a2e06324683cf4c00c91df1b6c1
+Subproject commit b6683bb97ca8618dacf7d101e5844d1bb1b2838a