Avoiding segfault when an invalid SharedMemoryHandle is passed in
when calling fmm_register_shared_memory.
Change-Id: I0e0bbed01487fc10afcbb170eb9330e70b209d14
Signed-off-by: David Yat Sin <David.YatSin@amd.com>
[ROCm/ROCR-Runtime commit: 1c385fb257]