Overall cleanup.

* Add missing asserts to exported functions.
* Unify formatting.
* Fix the gtk-doc comment for ld_symbol_category_set_human_name().
* Make ld_library_load() reflect it's declaration.
* Remove an unused variable in ld_library_load_cb().
* Change all char's to gchar's.

src/ld-symbol.c

@@ -90,7 +90,6 @@ enum
 
 static void ld_symbol_get_property (GObject *object, guint property_id,
 	GValue *value, GParamSpec *pspec);
-
 static void ld_symbol_set_property (GObject *object, guint property_id,
 	const GValue *value, GParamSpec *pspec);