Lower minimum portamento time

Author: rhargreaves

src/midi.c

@@ -64,7 +64,7 @@ static const u16 portaTimeToInterval[128]
           189, 180, 171, 163, 155, 147, 140, 133, 127, 121, 115, 109, 104, 99, 94, 89, 85, 81, 77,
           73, 70, 66, 63, 60, 57, 54, 52, 49, 47, 44, 42, 40, 38, 36, 35, 33, 31, 30, 28, 27, 26,
           24, 23, 22, 21, 20, 19, 18, 17, 16, 16, 15, 14, 13, 13, 12, 12, 11, 10, 10, 9, 9, 9, 8, 8,
-          7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2 };
+          7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1 };
 
 static MappingMode mappingModePref;
 static DeviceChannel deviceChannels[DEV_CHANS];