Add SM_CODE_NO_TRANSPORT error code

src/streaming.c

@@ -325,6 +325,8 @@ streaming_code2txt(int code)
     return "Too bad signal quality";
   case SM_CODE_NO_SOURCE:
     return "No source available";
+  case SM_CODE_NO_TRANSPORT:
+    return "No transport assigned to channel";
 
   case SM_CODE_ABORTED:
     return "Aborted by user";

src/tvhead.h

@@ -258,6 +258,7 @@ typedef enum {
 #define SM_CODE_SVC_NOT_ENABLED           204
 #define SM_CODE_BAD_SIGNAL                205
 #define SM_CODE_NO_SOURCE                 206
+#define SM_CODE_NO_TRANSPORT              207
 
 #define SM_CODE_ABORTED                   300