Fix warnings for -Wmissing-prototypes

Add -Wmissing-prototypes if compiling with gcc
Static where possible

git-svn-id: https://svn.musicpd.org/mpd/trunk@4657 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 2 insertions, 2 deletions

diff --git a/src/song.h b/src/song.h
index d4fde547..c803b969 100644
--- a/src/song.h
+++ b/src/song.h
@@ -43,7 +43,7 @@ typedef struct _Song {
 
 typedef List SongList;
 
-Song *newNullSong();
+Song *newNullSong(void);
 
 Song *newSong(char *url, int songType, struct _Directory *parentDir);
 
@@ -51,7 +51,7 @@ void freeSong(Song *);
 
 void freeJustSong(Song *);
 
-SongList *newSongList();
+SongList *newSongList(void);
 
 void freeSongList(SongList * list);