Minor regtest correction.

- instantiate voice explicitly in lower staff to make first
staff change work.
(cherry picked from commit c79faec374f91518fe9bfb4ae4e211c8b675855f)

diff --git a/input/regression/spacing-knee-compressed.ly b/input/regression/spacing-knee-compressed.ly
index 8cf8d2c0e821ad0d39d3075df656dd0028e4bc80..ad74e1837ede182b1f761559d4260c49cb0d32e8 100644 (file)
--- a/input/regression/spacing-knee-compressed.ly
+++ b/input/regression/spacing-knee-compressed.ly
@@ -1,18 +1,19 @@
 \version "2.12.0"
 
 \header {
-  texidoc = "Spacing corrections for kneed beams still work when compression is involved."
+  texidoc = "Spacing corrections for kneed beams still work when
+compression is involved."
 }
 
-\paper { line-width = 14.4 \cm }
+\paper { line-width = 14.4\cm }
 rh = \change Staff = "rh"
 lh = \change Staff = "lh"
 \new PianoStaff <<
-        \new Staff ="rh" {
-                s1*3
-        }
-        \new Staff ="lh" {
-                \clef bass
-                \repeat unfold 12 { \rh a'16 \lh d \rh a' \lh d \noBreak}
-        }
+  \new Staff ="rh" {
+    s1*3
+  }
+  \new Staff ="lh" \new Voice {
+    \clef bass
+    \repeat unfold 12 { \rh a'16 \lh d \rh a' \lh d \noBreak }
+  }
 >>
\ No newline at end of file