Merge pull request async-rs#12 from stjepang/update-polling

Update polling

Author: Stjepan Glavina

Cargo.toml

@@ -19,7 +19,7 @@ futures-lite = "0.1.10"
 libc = "0.2.74"
 once_cell = "1.4.0"
 parking = "2.0.0"
-polling = "0.1.4"
+polling = "0.1.5"
 socket2 = { version = "0.3.12", features = ["pair", "unix"] }
 vec-arena = "0.5.0"