IMA: Add __init notation to ima functions

A number of IMA functions only used during init are not marked with __init.
Add those notations so they are freed automatically.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
index 50d572b..63003a6 100644
--- a/security/integrity/ima/ima_crypto.c
+++ b/security/integrity/ima/ima_crypto.c
@@ -103,7 +103,7 @@
 	return rc;
 }
 
-static void ima_pcrread(int idx, u8 *pcr)
+static void __init ima_pcrread(int idx, u8 *pcr)
 {
 	if (!ima_used_chip)
 		return;
@@ -115,7 +115,7 @@
 /*
  * Calculate the boot aggregate hash
  */
-int ima_calc_boot_aggregate(char *digest)
+int __init ima_calc_boot_aggregate(char *digest)
 {
 	struct hash_desc desc;
 	struct scatterlist sg;