[gnome-system-log] all: fix some unused variables GCC warnings

[Cosimo Cecchi <cosimoc src gnome org>]

commit 0605c231749681e878f0133df6e6f335f96c66b9
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Mar 19 14:31:17 2012 -0400

    all: fix some unused variables GCC warnings

 src/logview-filter-manager.c |    4 +---
 src/logview-log.c            |    2 --
 src/logview-prefs.c          |    1 -
 src/logview-window.c         |    2 --
 src/tests/test-reader.c      |    1 -
 5 files changed, 1 insertions(+), 9 deletions(-)
---
diff --git a/src/logview-filter-manager.c b/src/logview-filter-manager.c
index 6d2aa49..eea7f45 100644
--- a/src/logview-filter-manager.c
+++ b/src/logview-filter-manager.c
@@ -170,7 +170,7 @@ on_dialog_add_edit_reponse (GtkWidget *dialog, int response_id,
                             LogviewFilterManager *manager)
 {
   GtkWidget *entry_name, *entry_regex;
-  GtkWidget *radio_color, *radio_visible;
+  GtkWidget *radio_color;
   GtkWidget *check_foreground, *check_background;
   GtkWidget *color_foreground, *color_background;
   gchar *old_name;
@@ -189,8 +189,6 @@ on_dialog_add_edit_reponse (GtkWidget *dialog, int response_id,
                                                     "entry_regex"));
   radio_color = GTK_WIDGET (gtk_builder_get_object (builder,
                                                     "radio_color"));
-  radio_visible = GTK_WIDGET (gtk_builder_get_object (builder,
-                                                      "radio_visible"));
   check_foreground = GTK_WIDGET (gtk_builder_get_object (builder,
                                                          "check_foreground"));
   check_background = GTK_WIDGET (gtk_builder_get_object (builder,
diff --git a/src/logview-log.c b/src/logview-log.c
index cc744a2..f0c9e8c 100644
--- a/src/logview-log.c
+++ b/src/logview-log.c
@@ -377,7 +377,6 @@ static gboolean
 read_gzip_header (GInputStream *is,
                   time_t *modification_time)
 {
-  gboolean res;
 	guchar buffer[GZIP_HEADER_SIZE];
 	gssize bytes, to_skip;
 	guint mode;
@@ -494,7 +493,6 @@ static gboolean
 fill_buffer (GZHandle *gz,
              gsize num_bytes)
 {
-  gboolean res;
   gsize count;
 
   z_stream * zstream = &gz->zstream;
diff --git a/src/logview-prefs.c b/src/logview-prefs.c
index d411f2c..7f880d3 100644
--- a/src/logview-prefs.c
+++ b/src/logview-prefs.c
@@ -431,7 +431,6 @@ logview_prefs_remove_stored_log (LogviewPrefs *prefs, GFile *target)
   GFile *stored;
   GPtrArray *new_value;
   gint idx;
-  gboolean removed = FALSE;
 
   g_assert (LOGVIEW_IS_PREFS (prefs));
   g_assert (G_IS_FILE (target));
diff --git a/src/logview-window.c b/src/logview-window.c
index e94aee6..fb97e88 100644
--- a/src/logview-window.c
+++ b/src/logview-window.c
@@ -656,7 +656,6 @@ update_filter_menu (LogviewWindow *window)
   GList *actions, *l;
   guint id;
   GList *filters;
-  GtkTextBuffer *buffer;
   GtkTextTagTable *table;
   GtkTextTag *tag;
   GtkToggleAction *action;
@@ -667,7 +666,6 @@ update_filter_menu (LogviewWindow *window)
 
   g_return_if_fail (priv->filter_action_group != NULL);
 
-  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
   table = priv->tag_table;
 
   if (priv->filter_merge_id != 0) {
diff --git a/src/tests/test-reader.c b/src/tests/test-reader.c
index c5df178..5e6e8b7 100644
--- a/src/tests/test-reader.c
+++ b/src/tests/test-reader.c
@@ -18,7 +18,6 @@ new_lines_cb (LogviewLog *log,
               gpointer user_data)
 {
   int i;
-  guint8 day;
   Day *day_s;
   GSList *days, *l;