Currently in the function ptt_sock_send_msg_to_app(), memcpy()
is used to copy data into multiple fields of the struct tAniHdr.
When FORTIFY_SOURCE feature is enabled, kernel warns of field-spanning.
To resolve this issue, assign a void pointer to the struct and use it
in memcpy().
Change-Id: I30311b063e735a89dfd38e029dacc80d6808a4af
CRs-Fixed: 3488513