Merge pull request #196 from RobertBiehl/patch-1

Cocoapods: Fix issue <React/RCTConvert.h> not found

ReactNativePermissions.podspec

   s.preserve_paths         = 'LICENSE', 'package.json'
   s.source_files           = '**/*.{h,m}'
   s.exclude_files          = 'example/**/*'
+  s.dependency               'React'
 end