[LOCAL] properly support both libraries and use_frameworks

Author: Riccardo Cipolleschi

ReactCommon/ReactCommon.podspec

@@ -61,7 +61,10 @@ Pod::Spec.new do |s|
     ss.subspec "core" do |sss|
       sss.source_files = "react/nativemodule/core/ReactCommon/**/*.{cpp,h}",
                          "react/nativemodule/core/platform/ios/**/*.{mm,cpp,h}"
-      sss.exclude_files = "react/nativemodule/core/ReactCommon/{LongLivedObject,CallbackWrapper}.h"
+      excluded_files = ENV['USE_FRAMEWORKS'] == nil
+        ? "react/nativemodule/core/ReactCommon/LongLivedObject.h"
+        : "react/nativemodule/core/ReactCommon/{LongLivedObject,CallbackWrapper}.h"
+      sss.exclude_files = excluded_files
     end
 
     s.subspec "react_debug_core" do |sss|