compile fixes.

[lilypond.git] / lily / include / lily-proto.hh

diff --git a/lily/include/lily-proto.hh b/lily/include/lily-proto.hh
index fca8aa372f9a553e1c8541ad83d0fce18caadf65..fc600c1bd62ffa82f3c9b0bd25405528ff39d274 100644 (file)
--- a/lily/include/lily-proto.hh
+++ b/lily/include/lily-proto.hh
@@ -152,6 +152,8 @@ class Simultaneous_music_iterator;
 class Skyline_entry;
 class Slur_configuration;
 class Slur_score_state;
+class Source_file;
+class Sources;
 class Spacing_options;
 class Span_score_bar_engraver;
 class Spanner;