Fix a couple of compilation warnings

extensions/app_radgw/rgwx_sip.c

@@ -446,7 +446,7 @@ static int sip_rad_req( struct rgwp_config * cs, struct session ** session, stru
 		int len;
 		/* Create a new Session-Id. The format is: {fqdn;hi32;lo32;username;diamid} */
 		CHECK_MALLOC( sid = malloc(un_len + 1 /* ';' */ + fd_g_config->cnf_diamid_len + 1 /* '\0' */) );
-		len = sprintf(sid, "%.*s;%s", un_len, un, fd_g_config->cnf_diamid);
+		len = sprintf(sid, "%.*s;%s", (int)un_len, un, fd_g_config->cnf_diamid);
 		CHECK_FCT( fd_sess_new(session, fqdn, sid, len) );
 		free(sid);
 	}

extensions/rt_ereg/rtereg.c

@@ -144,9 +144,9 @@ static int rtereg_out(void * cbdata, struct msg * msg, struct fd_list * candidat
 		struct avp_hdr * ahdr = NULL;
 		CHECK_FCT( fd_msg_avp_hdr ( avp, &ahdr ) );
 		if (ahdr->avp_value != NULL) {
+#ifndef HAVE_REG_STARTEND
 			int ret;
 		
-#ifndef HAVE_REG_STARTEND
 			/* Lock the buffer */
 			CHECK_POSIX( pthread_mutex_lock(&mtx) );
 			
@@ -167,7 +167,7 @@ static int rtereg_out(void * cbdata, struct msg * msg, struct fd_list * candidat
 			
 			CHECK_FCT(ret);
 #else /* HAVE_REG_STARTEND */
-			CHECK_FCT( proceed(ahdr->avp_value->os.data, ahdr->avp_value->os.len, candidates) );
+			CHECK_FCT( proceed((char *) ahdr->avp_value->os.data, ahdr->avp_value->os.len, candidates) );
 #endif /* HAVE_REG_STARTEND */
 		}
 	}