Fix fret ruler extension parsing scales

extensions/fablabchemnitz/fret_ruler/scales/mystery.scl

@@ -0,0 +1,63 @@
+! mystery.scl
+!
+Mystery temperament, minimax with pure octaves, g=15.021612, 13-limit
+ 58
+!
+ 15.02161
+ 41.37931
+ 56.40092
+ 82.75862
+ 97.78023
+ 124.13793
+ 139.15954
+ 165.51724
+ 180.53885
+ 206.89655
+ 221.91816
+ 248.27586
+ 263.29747
+ 289.65517
+ 304.67678
+ 331.03448
+ 346.05609
+ 372.41379
+ 387.43541
+ 413.79310
+ 428.81472
+ 455.17241
+ 470.19403
+ 496.55172
+ 511.57334
+ 537.93103
+ 552.95265
+ 579.31034
+ 594.33196
+ 620.68966
+ 635.71127
+ 662.06897
+ 677.09058
+ 703.44828
+ 718.46989
+ 744.82759
+ 759.84920
+ 786.20690
+ 801.22851
+ 827.58621
+ 842.60782
+ 868.96552
+ 883.98713
+ 910.34483
+ 925.36644
+ 951.72414
+ 966.74575
+ 993.10345
+ 1008.12506
+ 1034.48276
+ 1049.50437
+ 1075.86207
+ 1090.88368
+ 1117.24138
+ 1132.26299
+ 1158.62069
+ 1173.64230
+ 2/1