Cocoapods podspec: we must use property and not .

Author: lucdion

PinLayout.podspec

@@ -16,7 +16,7 @@ Pod::Spec.new do |spec|
   spec.author        = { "Luc Dion" => "[email protected]" }
   spec.source        = { :git => "https://github.com/layoutBox/PinLayout.git", :tag => "#{spec.version}" }
   spec.source_files  = "Sources/**/*.swift"
-  spec.swift_version = ['4.2', '5.0']
+  spec.swift_versions = ['4.2', '5.0']
 
   spec.ios.deployment_target  = '8.0'
   spec.ios.frameworks         = 'Foundation', 'CoreGraphics', 'UIKit'

TestProjects/cocoapods/tvos/Podfile.lock

@@ -1,5 +1,5 @@
 PODS:
-  - PinLayout (1.8.9)
+  - PinLayout (1.9.1)
 
 DEPENDENCIES:
   - PinLayout (from `../../..`)
@@ -9,7 +9,7 @@ EXTERNAL SOURCES:
     :path: "../../.."
 
 SPEC CHECKSUMS:
-  PinLayout: f7237c104696f409470947fee3ac82e239cac367
+  PinLayout: 971dd075938150aee314753269751e0f76dbb851
 
 PODFILE CHECKSUM: 8c63011727a286dcaaff051ed3b2eedd5363f244