ima: add missing '__init' keywords

Add missing keywords to the function definition to cleanup
to discard initialization code.

Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Reviewed-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_crypto.c
Simple merge

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