Updated dependencies

Author: emersion

go.mod

@@ -1,5 +1,5 @@
 module github.com/emersion/go-smtp
 
-require github.com/emersion/go-sasl v0.0.0-20190704090222-36b50694675c
+require github.com/emersion/go-sasl v0.0.0-20190817083125-240c8404624e
 
 go 1.13

go.sum

@@ -1,2 +1,2 @@
-github.com/emersion/go-sasl v0.0.0-20190704090222-36b50694675c h1:Spm8jy+jWYG/Dn6ygbq/LBW/6M27kg59GK+FkKjexuw=
-github.com/emersion/go-sasl v0.0.0-20190704090222-36b50694675c/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k=
+github.com/emersion/go-sasl v0.0.0-20190817083125-240c8404624e h1:ba7YsgX5OV8FjGi5ZWml8Jng6oBrJAb3ahqWMJ5Ce8Q=
+github.com/emersion/go-sasl v0.0.0-20190817083125-240c8404624e/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k=