- add sndio

Index: setup/SPOTHRCF.i
--- setup/SPOTHRCF.i.orig
+++ setup/SPOTHRCF.i
@@ -555,6 +555,9 @@ LOCALPROC WriteAppSOUNDGLUcontents(void)
 		case gbk_sndapi_ddsp:
 			s = "DDSP";
 			break;
+		case gbk_sndapi_sndio:
+			s = "SNIO";
+			break;
 		default:
 			s = "???";
 			break;
