if gr_priv_handle.h is accessed via C files, it throws error. Added ifdef for cpluplus to fix this. Change-Id: I16e593fb369205fefec76b05e9c6199b376d2f67
if gr_priv_handle.h is accessed via C files, it throws error. Added ifdef for cpluplus to fix this. Change-Id: I16e593fb369205fefec76b05e9c6199b376d2f67