Remove a local variable that was hiding the ec parameter and preventing

error codes from being correctly propagated. Ref #3216.


[SVN r54377]

libs/asio

@@ -1 +1 @@
-Subproject commit 486c8e7931d1a8e592f864bc1cfcbf74053ae291
+Subproject commit 3ec5f6ed71f08a111536023a2d03772e910fc491