Don't build with default features on docs.rs.

speech-dispatcher/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "speech-dispatcher"
-version = "0.13.0"
+version = "0.13.1"
 authors = ["Nolan Darilek <nolan@thewordnerd.info>"]
 repository = "https://gitlab.com/ndarilek/speech-dispatcher-rs"
 description = "Rusty interface to the speech-dispatcher speech synthesis library"
@@ -14,3 +14,6 @@ default = ["0_10"]
 [dependencies]
 lazy_static = "1"
 speech-dispatcher-sys = { version = "0.7", path = "../speech-dispatcher-sys" }
+
+[package.metadata.docs.rs]
+no-default-features = true