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Diffstat (limited to 'libs/midi++2/midi++/jack_midi_port.h')
-rw-r--r--libs/midi++2/midi++/jack_midi_port.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libs/midi++2/midi++/jack_midi_port.h b/libs/midi++2/midi++/jack_midi_port.h
index e381120a99..b8d208c77a 100644
--- a/libs/midi++2/midi++/jack_midi_port.h
+++ b/libs/midi++2/midi++/jack_midi_port.h
@@ -54,7 +54,7 @@ class JackMIDIPort : public Port {
void cycle_end ();
void parse (framecnt_t timestamp);
- int write (byte *msg, size_t msglen, timestamp_t timestamp);
+ int write (const byte *msg, size_t msglen, timestamp_t timestamp);
int read (byte *buf, size_t bufsize);
void drain (int check_interval_usecs);
int selectable () const { return xthread.selectable(); }