song: song_file_update() returns bool

Instead of returning 0 or -1, return true on success and false on
failure.  This seems more natural, and when the C library was
designed, there was no "bool" data type.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/song.h b/src/song.h
index 065b0a1b..f1e88921 100644
--- a/src/song.h
+++ b/src/song.h
@@ -55,7 +55,7 @@ song_file_load(const char *path, struct directory *parent);
 void
 song_free(struct song *song);
 
-int
+bool
 song_file_update(struct song *song);
 
 /*