stats: make sanitizers happy

The test expects wrapping here, but the undefined sanitizer is not happy
with that, so disable it.

Change-Id: I59ec65519ea028d4628ba4b56c939aef70794abf

src/libosmo-mgcp/mgcp_stat.c

@@ -30,6 +30,11 @@
 #include <osmocom/mgcp/mgcp_endp.h>
 
 /* Helper function for mgcp_format_stats_rtp() to calculate packet loss */
+#if defined(__has_attribute)
+#if __has_attribute(no_sanitize)
+__attribute__((no_sanitize("integer")))
+#endif
+#endif
 void calc_loss(struct mgcp_conn_rtp *conn, uint32_t *expected, int *loss)
 {
 	struct mgcp_rtp_state *state = &conn->state;