Specify swift version in podspec

tsolomko · tsolomko · commit 0cace849de99 · 2018-02-04T00:50:30.000+03:00
diff --git a/BitByteData.podspec b/BitByteData.podspec
@@ -20,6 +20,8 @@ Pod::Spec.new do |s|
   s.tvos.deployment_target = "9.0"
   s.watchos.deployment_target = "2.0"
 
+  s.swift_version = '4.0'
+
   s.source_files = "Sources/*.swift"
 
   s.test_spec 'Tests' do |test_spec|
