Fixed pod spec with Swift version

nfgrilo · nfgrilo · commit 9e26356c9dd8 · 2018-09-30T12:42:02.000+01:00
diff --git a/.swift-version b/.swift-version
@@ -1 +1 @@
-4.0
+4.2
diff --git a/macOSThemeKit.podspec b/macOSThemeKit.podspec
@@ -13,6 +13,7 @@ Pod::Spec.new do |s|
 
   s.platform     = :osx, '10.10'
   s.requires_arc = true
+  s.swift_version = '4.2'
 
   s.source_files = 'Sources/**/*.swift'
 end
