Merge pull request #15 from mliberman/swift-5

Fix Swift 5 Build Warnings

Author: rafiki270

Sources/XMLCoding/Decoder/DecodingErrorExtension.swift

@@ -12,7 +12,7 @@ import Foundation
 // Error Utilities
 //===----------------------------------------------------------------------===//
 
-internal extension DecodingError {
+extension DecodingError {
     /// Returns a `.typeMismatch` error describing the expected type.
     ///
     /// - parameter path: The path of `CodingKey`s taken to decode a value of this type.

Sources/XMLCoding/Encoder/EncodingErrorExtension.swift

@@ -11,7 +11,7 @@ import Foundation
 //===----------------------------------------------------------------------===//
 // Error Utilities
 //===----------------------------------------------------------------------===//
-internal extension EncodingError {
+extension EncodingError {
     /// Returns a `.invalidValue` error describing the given invalid floating-point value.
     ///
     ///