Set vocoder_loaded to true for all sw only modes

iax.cpp

@@ -632,6 +632,7 @@ void IAX::process_udp()
 			m_audio->set_input_buffer_size(640);
 			m_audio->start_capture();
 			//m_txtimer->start(19);
+			m_modeinfo.sw_vocoder_loaded = true;
 		}
 		++m_rxframes;
 		m_dcallno = (((buf.data()[0] & 0x7f) << 8) | ((uint8_t)buf.data()[1]));

m17.cpp

@@ -245,6 +245,7 @@ void M17::process_udp()
 			m_ping_timer->start(8000);
 			m_audio = new AudioEngine(m_audioin, m_audioout);
 			m_audio->init();
+			m_modeinfo.sw_vocoder_loaded = true;
 		}
 		emit update(m_modeinfo);
 	}

p25.cpp

@@ -86,6 +86,7 @@ void P25::process_udp()
 			m_ping_timer->start(5000);
 			m_audio = new AudioEngine(m_audioin, m_audioout);
 			m_audio->init();
+			m_modeinfo.sw_vocoder_loaded = true;
 		}
 		if((m_modeinfo.stream_state == STREAM_LOST) || (m_modeinfo.stream_state == STREAM_END) ){
 			m_modeinfo.stream_state = STREAM_IDLE;