Bugfixes.

* libmailutils/stream/logstream.c (_log_ctl): Handle MU_IOCTL_SYSLOGSTREAM,
pass it to the transport stream.
* libmu_sieve/sieve.l (pop_source): Restore input_stream.
* libmu_sieve/util.c (mu_sieve_error, mu_sieve_debug)
(mu_sieve_log_action): Set location information on the errstream.

@@ -461,6 +461,7 @@ _log_ctl (struct _mu_stream *str, int code, int opcode, void *arg)
       break;
 
     case MU_IOCTL_FILTER:
+    case MU_IOCTL_SYSLOGSTREAM:
       return mu_stream_ioctl (sp->transport, code, opcode, arg);
             
     default:

@@ -199,6 +199,7 @@ pop_source ()
       return 1;
     }
   /* Restore previous context */
+  input_stream = context_stack->input;
   mu_sieve_locus = context_stack->locus;
   mu_sieve_locus.mu_line++; /* #include rule did not increment it */
   sieve_source_inode = context_stack->i_node;