[CIFS] fix build warning

Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 6fe1bc5..34902cf 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -589,7 +589,7 @@
 		unlock_file = true;
 		fid = open_file->netfid;
 	} else if (pfid == NULL) {
-		bool oplock = false;
+		int oplock = 0;
 		/* open file */
 		rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN,
 				READ_CONTROL, 0, &fid, &oplock, NULL,