swift

f99d70d1 - [Macros] PluginRegistry vends 'LoadedLibraryPlugin' instead of 'void *'

[Macros] PluginRegistry vends 'LoadedLibraryPlugin' instead of 'void *' `LoadedLibraryPlugin` is currently just a wrapper of `void` pointer from `dlopen`. This will be convenient for abstracting platform specific dynamic linrary handling.