lilypond-book-vars: add source files to ALL_SOURCES iso misusing EXTRA_DIST_*.

diff --git a/make/lilypond-book-vars.make b/make/lilypond-book-vars.make
index 8b549e0646aba2c18f06c8617a466858a17c9fe8..2eeb177f454aa50c29986f1905c151073a2a5cee 100644 (file)
--- a/make/lilypond-book-vars.make
+++ b/make/lilypond-book-vars.make
@@ -48,7 +48,7 @@ OUT_FILES = $(sort $(OUT_HTML_FILES) \
                             $(OUT_TELY_FILES) \
                             $(OUT_DOCBOOK_FILES))
 
-EXTRA_DIST_FILES +=\
+ALL_SOURCES +=\
  $(HTML_FILES)\
  $(HTMLY_FILES)\
  $(XML_FILES)\