target-cris: Use %td for ptrdiff_t arguments in debug message

According to ISO/IEC 9899:1999 7.19.6.1,
the correct length modifier for ptrdiff_t is 't', not 'z'.

Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
diff --git a/target-cris/translate.c b/target-cris/translate.c
index 45c7682..8361369 100644
--- a/target-cris/translate.c
+++ b/target-cris/translate.c
@@ -3409,7 +3409,7 @@
 	if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
 		log_target_disas(pc_start, dc->pc - pc_start,
                                  dc->env->pregs[PR_VR]);
-		qemu_log("\nisize=%d osize=%zd\n",
+		qemu_log("\nisize=%d osize=%td\n",
 			dc->pc - pc_start, gen_opc_ptr - gen_opc_buf);
 	}
 #endif