add const and tweak variable name

diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc
index 49d8172829bcd29eaaa6d58bcb7643a55259f52f..1829db9e9d012f680cec72ebe8d513dc84eadceb 100644 (file)
--- a/libs/ardour/route.cc
+++ b/libs/ardour/route.cc
@@ -431,10 +431,10 @@ Route::process_output_buffers (BufferSet& bufs,
         * Also during remaining_latency_preroll, transport_rolling () is false, but
         * we may need to monitor disk instead.
         */
-       MonitorState ms = monitoring_state ();
-       bool silence = _have_internal_generator ? false : (ms == MonitoringSilence);
+       const MonitorState ms = monitoring_state ();
+       const bool silent = _have_internal_generator ? false : (ms == MonitoringSilence);
 
-       _main_outs->no_outs_cuz_we_no_monitor (silence);
+       _main_outs->no_outs_cuz_we_no_monitor (silent);
 
        /* -------------------------------------------------------------------------------------------
           DENORMAL CONTROL