kernel32: add stub for GetCurrentPackageFullName

[Sebastian Lackner]

On 04.03.2017 11:05, Louis Lenders wrote:
> --- a/dlls/kernel32/kernel32.spec
> +++ b/dlls/kernel32/kernel32.spec
> @@ -629,6 +629,7 @@
>  @ stdcall GetCurrentDirectoryA(long ptr)
>  @ stdcall GetCurrentDirectoryW(long ptr)
>  @ stdcall GetCurrentPackageId(ptr ptr)
> +@ stdcall GetCurrentPackageFullName(ptr ptr)
>  @ stdcall -norelay GetCurrentProcess()
>  @ stdcall -norelay GetCurrentProcessId()
>  @ stdcall GetCurrentProcessorNumber() ntdll.NtGetCurrentProcessorNumber

In this case its too late, but please make sure to keep the specfile
ordered alphabetically in the future.