[PATCH] Audit: Fix the format type for size_t variables

Fix the following compiler warning by using "%zu" as defined in C99.

  CC      kernel/auditsc.o
  kernel/auditsc.c: In function 'audit_log_single_execve_arg':
  kernel/auditsc.c:1074: warning: format '%ld' expects type 'long int', but
  argument 4 has type 'size_t'
Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

kernel/auditsc.c

@@ -1070,7 +1070,7 @@ static int audit_log_single_execve_arg(struct audit_context *context,
 		 * so we can be sure nothing was lost.
 		 */
 		if ((i == 0) && (too_long))
-			audit_log_format(*ab, "a%d_len=%ld ", arg_num,
+			audit_log_format(*ab, "a%d_len=%zu ", arg_num,
 					 has_cntl ? 2*len : len);
 
 		/*