Make CKM_AES_GCM usable.

mozilla/security/nss/lib/pk11wrap/pk11pub.h

Index: mozilla/security/nss/lib/pk11wrap/pk11pub.h
===================================================================
--- mozilla/security/nss/lib/pk11wrap/pk11pub.h	(revision 182578)
+++ mozilla/security/nss/lib/pk11wrap/pk11pub.h	(working copy)
@@ -508,6 +508,17 @@
 				       void *wincx);
 int PK11_GetPrivateModulusLen(SECKEYPrivateKey *key); 
 
+SECStatus PK11_EncryptWithSymKey(PK11SymKey *symKey,
+			CK_MECHANISM_TYPE mechanism, SECItem *param,
+			unsigned char *out, unsigned int *outLen,
+			unsigned int maxLen,
+			const unsigned char *data, unsigned dataLen);
+SECStatus PK11_DecryptWithSymKey(PK11SymKey *symkey,
+			CK_MECHANISM_TYPE mechanism, SECItem *param,
+			unsigned char *out, unsigned int *outLen,
+			unsigned int maxLen,
+			const unsigned char *enc, unsigned encLen);
+
 /* note: despite the name, this function takes a private key. */
 SECStatus PK11_PubDecryptRaw(SECKEYPrivateKey *key, unsigned char *data,
    unsigned *outLen, unsigned int maxLen, unsigned char *enc, unsigned encLen);