ima: pass the file descriptor to ima_add_violation()

Pass the file descriptor instead of the inode to ima_add_violation(),
to make the latter consistent with ima_store_measurement() in
preparation for the new template architecture.

Signed-off-by: Roberto Sassu <roberto.sassu@polito.it>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>

diff --cc security/integrity/ima/ima.h
Simple merge

diff --cc security/integrity/ima/ima_api.c
Simple merge

diff --cc security/integrity/ima/ima_main.c
Simple merge