Sends woodwind regtest op to stderr (issue 5502058)

[PhilEHolmes]

Reviewers: percivall, dak,

Message:
Please review

Description:
I've used David's excellent update to display-woodwind-diagrams.scm and
updated the woodwind-diagrams-key-lists.ly to use stderr as the output
port for this list of fingerings.  This will reduce clutter from make
doc and should make the output from the regtest testable.

Please review this at http://codereview.appspot.com/5502058/

Affected files:
  M input/regression/woodwind-diagrams-key-lists.ly


Index: input/regression/woodwind-diagrams-key-lists.ly
diff --git a/input/regression/woodwind-diagrams-key-lists.ly  
b/input/regression/woodwind-diagrams-key-lists.ly
index  
1b70d8f7fab7585ec742008c4841d63a8caa1d54..fd799d62c1a8b9ebb1a45afb5c7b02b4ed9b0375  
100644
--- a/input/regression/woodwind-diagrams-key-lists.ly
+++ b/input/regression/woodwind-diagrams-key-lists.ly
@@ -5,14 +5,18 @@
 woodwind-diagrams.scm"
 }

-#(print-keys-verbose 'piccolo)
-#(print-keys-verbose 'flute)
-#(print-keys-verbose 'flute-b-extension)
-#(print-keys-verbose 'oboe)
-#(print-keys-verbose 'clarinet)
-#(print-keys-verbose 'bass-clarinet)
-#(print-keys-verbose 'low-bass-clarinet)
-#(print-keys-verbose 'saxophone)
-#(print-keys-verbose 'baritone-saxophone)
-#(print-keys-verbose 'bassoon)
-#(print-keys-verbose 'contrabassoon)
+#(print-keys-verbose 'piccolo (current-error-port))
+#(print-keys-verbose 'flute (current-error-port))
+#(print-keys-verbose 'flute-b-extension (current-error-port))
+#(print-keys-verbose 'tin-whistle (current-error-port))
+#(print-keys-verbose 'oboe (current-error-port))
+#(print-keys-verbose 'clarinet (current-error-port))
+#(print-keys-verbose 'bass-clarinet (current-error-port))
+#(print-keys-verbose 'low-bass-clarinet (current-error-port))
+#(print-keys-verbose 'saxophone (current-error-port))
+#(print-keys-verbose 'soprano-saxophone (current-error-port))
+#(print-keys-verbose 'alto-saxophone (current-error-port))
+#(print-keys-verbose 'tenor-saxophone (current-error-port))
+#(print-keys-verbose 'baritone-saxophone (current-error-port))
+#(print-keys-verbose 'bassoon (current-error-port))
+#(print-keys-verbose 'contrabassoon (current-error-port))