* syscall.c (sys_indir): Use %ld for printing long, not %u.

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
diff --git a/syscall.c b/syscall.c
index a04b004..10c27d3 100644
--- a/syscall.c
+++ b/syscall.c
@@ -681,7 +681,7 @@
 	if (entering(tcp)) {
 		scno = tcp->u_arg[0];
 		if (!SCNO_IN_RANGE(scno)) {
-			fprintf(stderr, "Bogus syscall: %u\n", scno);
+			fprintf(stderr, "Bogus syscall: %ld\n", scno);
 			return 0;
 		}
 		nargs = sysent[scno].nargs;