[gitg/gtk3] Fix warnings spotted by gcc 4.6.

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 9238a7fd8d9e7ea6b6c13e33d5f278659d8df63f
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Tue Feb 22 17:36:28 2011 +0100

    Fix warnings spotted by gcc 4.6.

 gitg/gitg-commit-view.c   |    9 ---------
 gitg/gitg-diff-view.c     |    4 ----
 libgitg/gitg-lanes.c      |    4 ++--
 libgitg/gitg-repository.c |    2 +-
 libgitg/gitg-revision.c   |    2 +-
 5 files changed, 4 insertions(+), 17 deletions(-)
---
diff --git a/gitg/gitg-commit-view.c b/gitg/gitg-commit-view.c
index 5425307..53c75eb 100644
--- a/gitg/gitg-commit-view.c
+++ b/gitg/gitg-commit-view.c
@@ -556,15 +556,6 @@ staged_selection_changed (GtkTreeSelection *selection, GitgCommitView *view)
 		}
 		else
 		{
-			gchar *basename;
-			GtkSourceLanguage *language;
-
-			basename = g_file_get_basename(f);
-			language = gitg_utils_get_language(basename,
-			                                   content_type);
-
-			g_free(basename);
-
 			gtk_widget_set_sensitive (GTK_WIDGET (view->priv->hscale_context),
 			                          FALSE);
 
diff --git a/gitg/gitg-diff-view.c b/gitg/gitg-diff-view.c
index faf7dce..b397a65 100644
--- a/gitg/gitg-diff-view.c
+++ b/gitg/gitg-diff-view.c
@@ -804,14 +804,10 @@ line_renderer_query_data_cb (GtkSourceGutterRenderer      *renderer,
 	gint line_old = -1;
 	gint line_new = -1;
 	gint line_number;
-	gboolean current_line;
 	Region **current = &view->priv->lines_current_region;
 
 	line_number = gtk_text_iter_get_line (start) + 1;
 
-	current_line = (state & GTK_SOURCE_GUTTER_RENDERER_STATE_CURSOR) &&
-	               gtk_text_view_get_cursor_visible (gtk_source_gutter_renderer_get_view (renderer));
-
 	ensure_scan (view, line_number);
 
 	if (!*current || view->priv->lines_previous_line + 1 != line_number)
diff --git a/libgitg/gitg-lanes.c b/libgitg/gitg-lanes.c
index c059638..41b8650 100644
--- a/libgitg/gitg-lanes.c
+++ b/libgitg/gitg-lanes.c
@@ -101,7 +101,7 @@ collapsed_lane_new (LaneContainer *container)
 static void
 free_lanes (GitgLanes *lanes)
 {
-	g_slist_free_full (lanes->priv->lanes, lane_container_free);
+	g_slist_free_full (lanes->priv->lanes, (GDestroyNotify)lane_container_free);
 
 	lanes->priv->lanes = NULL;
 }
@@ -315,7 +315,7 @@ gitg_lanes_reset (GitgLanes *lanes)
 	free_lanes (lanes);
 	gitg_color_reset ();
 
-	g_slist_free_full (lanes->priv->previous, gitg_revision_unref);
+	g_slist_free_full (lanes->priv->previous, (GDestroyNotify)gitg_revision_unref);
 
 	lanes->priv->previous = NULL;
 
diff --git a/libgitg/gitg-repository.c b/libgitg/gitg-repository.c
index 15fb14c..17f7d30 100644
--- a/libgitg/gitg-repository.c
+++ b/libgitg/gitg-repository.c
@@ -1140,7 +1140,7 @@ on_loader_update (GitgShell       *object,
 static void
 free_refs (GSList *refs)
 {
-	g_slist_free_full (refs, gitg_ref_free);
+	g_slist_free_full (refs, (GDestroyNotify)gitg_ref_free);
 }
 
 static gboolean
diff --git a/libgitg/gitg-revision.c b/libgitg/gitg-revision.c
index 4220ec3..94b05ec 100644
--- a/libgitg/gitg-revision.c
+++ b/libgitg/gitg-revision.c
@@ -53,7 +53,7 @@ G_DEFINE_BOXED_TYPE (GitgRevision, gitg_revision, gitg_revision_ref, gitg_revisi
 static void
 free_lanes (GitgRevision *rv)
 {
-	g_slist_free_full (rv->lanes, gitg_lane_free);
+	g_slist_free_full (rv->lanes, (GDestroyNotify)gitg_lane_free);
 	rv->lanes = NULL;
 }