Driver plugins: Show possible extensions

diff --git a/externals/PhpShrink b/externals/PhpShrink
index 10781d1fbfebca446179ce62e30fde5c2638ce29..2b38322c9c2c9cff11388d92785458fd49343afa 160000 (submodule)
--- a/externals/PhpShrink
+++ b/externals/PhpShrink
@@ -1 +1 @@
-Subproject commit 10781d1fbfebca446179ce62e30fde5c2638ce29
+Subproject commit 2b38322c9c2c9cff11388d92785458fd49343afa