tod: Change namespace of internal functions to tod_*

In this way we don't have the risk of them being exported because
starting with `fpi_*`.

libfprint/fp-context.c

@@ -306,7 +306,7 @@ fp_context_finalize (GObject *object)
     g_object_run_dispose (G_OBJECT (priv->usb_ctx));
   g_clear_object (&priv->usb_ctx);
 
-  fpi_tod_shared_drivers_unregister ();
+  tod_shared_drivers_unregister ();
 
   G_OBJECT_CLASS (fp_context_parent_class)->finalize (object);
 }
@@ -371,8 +371,8 @@ fp_context_init (FpContext *self)
 
   priv->drivers = fpi_get_driver_types ();
 
-  fpi_tod_shared_drivers_register ();
-  shared_drivers = fpi_tod_shared_drivers_get ();
+  tod_shared_drivers_register ();
+  shared_drivers = tod_shared_drivers_get ();
   g_array_prepend_vals (priv->drivers, shared_drivers->data, shared_drivers->len);
 
   if (get_drivers_whitelist_env ())

libfprint/tod/tod-shared-loader.c

@@ -49,7 +49,7 @@ get_tod_drivers_dir (void)
 }
 
 void
-fpi_tod_shared_drivers_register (void)
+tod_shared_drivers_register (void)
 {
   const char *dirname;
   const char *basename;
@@ -143,7 +143,7 @@ fpi_tod_shared_drivers_register (void)
 }
 
 void
-fpi_tod_shared_drivers_unregister (void)
+tod_shared_drivers_unregister (void)
 {
   g_clear_pointer (&shared_drivers, g_array_unref);
 
@@ -155,7 +155,7 @@ fpi_tod_shared_drivers_unregister (void)
 }
 
 GArray *
-fpi_tod_shared_drivers_get (void)
+tod_shared_drivers_get (void)
 {
   return g_array_ref (shared_drivers);
 }

libfprint/tod/tod-shared-loader.h

@@ -22,7 +22,7 @@
 #include <glib.h>
 
 
-void fpi_tod_shared_drivers_register (void);
-void fpi_tod_shared_drivers_unregister (void);
+void tod_shared_drivers_register (void);
+void tod_shared_drivers_unregister (void);
 
-GArray *fpi_tod_shared_drivers_get (void);
+GArray *tod_shared_drivers_get (void);