[sound-juicer] Remove duplicate declarations

[Phillip Wood <pwood src gnome org>]

commit b3c9a888efc18b12266ec2f7795b0bbdf64db47e
Author: Phillip Wood <phillip wood dunelm org uk>
Date:   Thu Nov 10 13:03:06 2016 +0000

    Remove duplicate declarations
    
    Make sure functions and variables are only declared once.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777692

 libjuicer/sj-metadata-getter.c |    1 -
 src/egg-play-preview.c         |    2 --
 src/sj-prefs.c                 |    3 ---
 3 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/libjuicer/sj-metadata-getter.c b/libjuicer/sj-metadata-getter.c
index a3f9f3f..6811ca5 100644
--- a/libjuicer/sj-metadata-getter.c
+++ b/libjuicer/sj-metadata-getter.c
@@ -44,7 +44,6 @@ struct SjMetadataGetterPrivate {
 typedef struct SjMetadataGetterPrivate SjMetadataGetterPrivate;
 
 static void sj_metadata_getter_finalize (GObject *object);
-static void sj_metadata_getter_init (SjMetadataGetter *mdg);
 
 G_DEFINE_TYPE(SjMetadataGetter, sj_metadata_getter, G_TYPE_OBJECT);
 
diff --git a/src/egg-play-preview.c b/src/egg-play-preview.c
index a1482da..0cecffb 100644
--- a/src/egg-play-preview.c
+++ b/src/egg-play-preview.c
@@ -84,8 +84,6 @@ struct _EggPlayPreviewPrivate {
        gchar *uri;
 };
 
-static void    egg_play_preview_class_init   (EggPlayPreviewClass *klass);
-static void    egg_play_preview_init         (EggPlayPreview      *play_preview);
 static void egg_play_preview_finalize     (GObject             *object);
 static void egg_play_preview_dispose      (GObject             *object);
 static void    egg_play_preview_set_property (GObject             *object,
diff --git a/src/sj-prefs.c b/src/sj-prefs.c
index 36b5d4f..3441e7d 100644
--- a/src/sj-prefs.c
+++ b/src/sj-prefs.c
@@ -35,9 +35,6 @@
 #include "sj-extracting.h"
 #include "sj-prefs.h"
 
-extern GtkBuilder *builder;
-extern GtkWidget *main_window;
-
 static GtkWidget *profile_option;
 static GtkWidget *cd_option, *path_option, *file_option, *basepath_fcb, *check_strip, *check_eject, 
*check_open;
 static GtkWidget *path_example_label;