test: Fix compiler warnings on 64bit systems
Use %td to print ptrdiff_t use %zu to print size_t,
include time.h on FreeBSD. Some more compiler warnings are
left but they require more thinking.
diff --git a/tests/smscb/gsm0341_test.c b/tests/smscb/gsm0341_test.c
index a8e32d4..c400f5c 100644
--- a/tests/smscb/gsm0341_test.c
+++ b/tests/smscb/gsm0341_test.c
@@ -21,6 +21,7 @@
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
+#include <time.h>
#include <osmocom/gsm/protocol/gsm_03_41.h>
#include <osmocom/gsm/gsm0341.h>