OPENZAP-166 --resolve trivial compiler warnings

libs/freetdm/src/ftdm_io.c

@@ -2806,7 +2806,7 @@ static ftdm_status_t ftdmchan_activate_dtmf_buffer(ftdm_channel_t *ftdmchan)
 static ftdm_status_t ftdm_insert_dtmf_pause(ftdm_channel_t *ftdmchan, ftdm_size_t pausems)
 {
 	void *data = NULL;
-	unsigned int datalen = pausems * sizeof(uint16_t);
+	ftdm_size_t datalen = pausems * sizeof(uint16_t);
 
 	data = ftdm_malloc(datalen);
 	ftdm_assert(data, "Failed to allocate memory\n");

libs/freetdm/src/ftmod/ftmod_analog/ftmod_analog.c

@@ -401,7 +401,7 @@ static void analog_dial(ftdm_channel_t *ftdmchan, uint32_t *state_counter, uint3
 			ftdmchan->needed_tones[FTDM_TONEMAP_FAIL1] = 1;
 			ftdmchan->needed_tones[FTDM_TONEMAP_FAIL2] = 1;
 			ftdmchan->needed_tones[FTDM_TONEMAP_FAIL3] = 1;
-			*dial_timeout = ((ftdmchan->dtmf_on + ftdmchan->dtmf_off) * strlen(ftdmchan->caller_data.dnis.digits)) + 2000;
+			*dial_timeout = (uint32_t)((ftdmchan->dtmf_on + ftdmchan->dtmf_off) * strlen(ftdmchan->caller_data.dnis.digits)) + 2000;
 		}
 	}
 }