Update incoming call tutorial to 5.2.66 SDK

ios/swift/2-IncomingCall/IncomingCall/ContentView.swift

@@ -74,7 +74,7 @@ struct ContentView: View {
 					HStack {
 						Text("Login State : ")
 							.font(.footnote)
-						Text(tutorialContext.loggedIn ? "Looged in" : "Unregistered")
+						Text(tutorialContext.loggedIn ? "Logged in" : "Unregistered")
 							.font(.footnote)
 							.foregroundColor(tutorialContext.loggedIn ? Color.green : Color.black)
 					}.padding(.top, 10.0)

ios/swift/2-IncomingCall/Podfile

@@ -5,7 +5,7 @@ source "https://github.com/CocoaPods/Specs.git"
 
 def basic_pods
 	if ENV['PODFILE_PATH'].nil?
-		pod 'linphone-sdk', '~> 5.0.48'
+		pod 'linphone-sdk', '~> 5.2.66'
 	else
 		pod 'linphone-sdk', :path => ENV['PODFILE_PATH']  # local sdk
 	end