Merge pull request #424 from endocode/iaguis/shutdown-log-null

core: handle --log-target=null when calling systemd-shutdown

src/core/main.c

@@ -1995,6 +1995,10 @@ finish:
                         command_line[pos++] = "kmsg";
                         break;
 
+                case LOG_TARGET_NULL:
+                        command_line[pos++] = "null";
+                        break;
+
                 case LOG_TARGET_CONSOLE:
                 default:
                         command_line[pos++] = "console";