Vendor dependencies for 0.3.0 release

vendor/windows-future/src/join.rs

@@ -0,0 +1,29 @@
+use super::*;
+
+impl IAsyncAction {
+    /// Waits for the `IAsyncAction` to finish.
+    pub fn join(&self) -> Result<()> {
+        Async::join(self)
+    }
+}
+
+impl<T: RuntimeType> IAsyncOperation<T> {
+    /// Waits for the `IAsyncOperation<T>` to finish.
+    pub fn join(&self) -> Result<T> {
+        Async::join(self)
+    }
+}
+
+impl<P: RuntimeType> IAsyncActionWithProgress<P> {
+    /// Waits for the `IAsyncActionWithProgress<P>` to finish.
+    pub fn join(&self) -> Result<()> {
+        Async::join(self)
+    }
+}
+
+impl<T: RuntimeType, P: RuntimeType> IAsyncOperationWithProgress<T, P> {
+    /// Waits for the `IAsyncOperationWithProgress<T, P>` to finish.
+    pub fn join(&self) -> Result<T> {
+        Async::join(self)
+    }
+}