Make sure that inmidi_clk() is called in the right place in the MIDI back-end. Fixes #255.

pd/src/s_midi.c

@@ -291,6 +291,7 @@ typedef struct midiparser
 
     /* functions in x_midi.c */
 void inmidi_realtimein(int portno, int cmd);
+void inmidi_clk(double timing);
 void inmidi_byte(int portno, int byte);
 void inmidi_sysex(int portno, int byte);
 void inmidi_noteon(int portno, int channel, int pitch, int velo);
@@ -313,7 +314,17 @@ static void sys_dispatchnextmidiin( void)
     outlet_setstacklim();
     
     if (byte >= 0xf8)
+    {
         inmidi_realtimein(portno, byte);
+        if (byte == 0xf8) {
+          // AG: Not sure what the timebase for the right outlet is supposed
+          // to be. I'm using msecs right now, which is in line with the other
+          // tempo-related objects such as metro. Uncomment the .001 factor to
+          // get seconds instead.
+          double timing = /*.001 * */clock_gettimesince(sys_midiinittime);
+          inmidi_clk(timing);
+        }
+    }
     else
     {
         inmidi_byte(portno, byte);