message: Remove reference to deleted type "struct source_stream".

diff --git a/src/libpspp/message.h b/src/libpspp/message.h
index 5ced994ad52c7db1c7a70919d8422b0536f5d67d..8ed284413398fdeeb0e2810a1dcf9b1258b4072f 100644 (file)
--- a/src/libpspp/message.h
+++ b/src/libpspp/message.h
@@ -80,8 +80,6 @@ struct msg
     char *text;                 /* Error text. */
   };
 
-struct source_stream ;
-
 /* Initialization. */
 void msg_set_handler (void (*handler) (const struct msg *, void *lexer),
                       void *aux);