Merge pull request #307 from compnerd/swift-tests

build: explicitly link tests to swiftCore swiftOnoneSupport
diff --git a/src/swift/Data.swift b/src/swift/Data.swift
index 1e73504..5ad48aa 100644
--- a/src/swift/Data.swift
+++ b/src/swift/Data.swift
@@ -318,6 +318,7 @@
 }
 
 public struct DispatchDataIterator : IteratorProtocol, Sequence {
+        public typealias Element = UInt8
 
 	/// Create an iterator over the given DispatchData
 	public init(_data: DispatchData) {