Change all pj_memset to pj_bzero(), where applicable

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@582 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip-apps/src/samples/siprtp.c b/pjsip-apps/src/samples/siprtp.c
index 7e8168a..588350f 100644
--- a/pjsip-apps/src/samples/siprtp.c
+++ b/pjsip-apps/src/samples/siprtp.c
@@ -302,7 +302,7 @@
 	pj_sockaddr_in addr;
 	pjsip_host_port addrname;
 
-	pj_memset(&addr, 0, sizeof(addr));
+	pj_bzero(&addr, sizeof(addr));
 	addr.sin_family = PJ_AF_INET;
 	addr.sin_addr.s_addr = 0;
 	addr.sin_port = pj_htons((pj_uint16_t)app.sip_port);
@@ -337,7 +337,7 @@
 	pjsip_inv_callback inv_cb;
 
 	/* Init the callback for INVITE session: */
-	pj_memset(&inv_cb, 0, sizeof(inv_cb));
+	pj_bzero(&inv_cb, sizeof(inv_cb));
 	inv_cb.on_state_changed = &call_on_state_changed;
 	inv_cb.on_new_session = &call_on_forked;
 	inv_cb.on_media_update = &call_on_media_update;
@@ -1156,7 +1156,7 @@
 	pj_memcpy(packet, hdr, hdrlen);
 
 	/* Zero the payload */
-	pj_memset(packet+hdrlen, 0, strm->bytes_per_frame);
+	pj_bzero(packet+hdrlen, strm->bytes_per_frame);
 
 	/* Send RTP packet */
 	size = hdrlen + strm->bytes_per_frame;