diag: Allocate correct buffer size for PD names

Fix the size passed to kzalloc for PD names.

CRs-Fixed: 2037101
Change-Id: I4a864962011f2c8b9facf374ddf9bf6efe7e69d6
Signed-off-by: Chris Lew <clew@codeaurora.org>
1 file changed