Add missing imports.

Jeff Verkoeyen · Jeff Verkoeyen · commit 0de198d368dc · 2017-04-19T17:43:50.000-04:00
diff --git a/src/common/DispatchTimeIntervalToSeconds.swift b/src/common/DispatchTimeIntervalToSeconds.swift
@@ -15,6 +15,7 @@
  */
 
 import Foundation
+import CoreGraphics
 
 extension DispatchTimeInterval {
   func toSeconds() -> CGFloat {
diff --git a/src/operators/visualize.swift b/src/operators/visualize.swift
@@ -15,6 +15,7 @@
  */
 
 import Foundation
+import UIKit
 
 extension MotionObservableConvertible {
 
