[tracker] libtracker-sparql: Mark some internal TrackerResource methods as static

[Carlos Garnacho <carlosg src gnome org>]

commit 11d9d28167843b76d21f5624953ad28ea214441a
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Sep 5 00:00:21 2018 +0200

    libtracker-sparql: Mark some internal TrackerResource methods as static

 src/libtracker-sparql/tracker-resource.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/src/libtracker-sparql/tracker-resource.c b/src/libtracker-sparql/tracker-resource.c
index d4dfb2203..982699e6a 100644
--- a/src/libtracker-sparql/tracker-resource.c
+++ b/src/libtracker-sparql/tracker-resource.c
@@ -988,15 +988,15 @@ typedef struct {
        GList *done_list;
 } GenerateTurtleData;
 
-void generate_turtle (TrackerResource *resource, GenerateTurtleData *data);
+static void generate_turtle (TrackerResource *resource, GenerateTurtleData *data);
 
-gboolean
+static gboolean
 is_blank_node (const char *uri_or_curie_or_blank)
 {
        return (strncmp(uri_or_curie_or_blank, "_:", 2) == 0);
 }
 
-gboolean
+static gboolean
 is_builtin_class (const gchar             *uri_or_curie,
                   TrackerNamespaceManager *namespaces)
 {
@@ -1011,7 +1011,7 @@ is_builtin_class (const gchar             *uri_or_curie,
        return FALSE;
 }
 
-void
+static void
 generate_nested_turtle_resource (TrackerResource    *resource,
                                  GenerateTurtleData *data)
 {
@@ -1029,7 +1029,7 @@ generate_nested_turtle_resource (TrackerResource    *resource,
        }
 }
 
-void
+static void
 generate_turtle_resources_foreach (gpointer key,
                                    gpointer value_ptr,
                                    gpointer user_data)
@@ -1180,7 +1180,7 @@ generate_turtle_property (const char              *property,
        }
 }
 
-void
+static void
 generate_turtle (TrackerResource    *resource,
                  GenerateTurtleData *data)
 {