Lilypond-book regtest: Fix build dependencies (variable renamed by Jan)

diff --git a/input/regression/lilypond-book/GNUmakefile b/input/regression/lilypond-book/GNUmakefile
index 1fff6c4e647984088a6f7f4f9bfa1dddf48dcbe2..a1e5bdc3b7598d568fccf7662a82737e29b89a1e 100644 (file)
--- a/input/regression/lilypond-book/GNUmakefile
+++ b/input/regression/lilypond-book/GNUmakefile
@@ -3,11 +3,7 @@ depth = ../../..
 STEPMAKE_TEMPLATES=documentation texinfo
 LOCALSTEPMAKE_TEMPLATES=lilypond ly lysdoc lilypond-book
 
-ifndef LILYBOOK_OUT_FILES
-LILYBOOK_OUT_FILES = ""
-endif
-
-COLLATED_FILES = $(LILYBOOK_OUT_FILES)
+COLLATED_FILES = $(OUT_FILES)
 
 include $(depth)/make/stepmake.make