plugin-loader: Removed unused path argument of load() method

Multiple additional search paths can be added with the add_path()
method.

src/libstrongswan/plugins/plugin_loader.c

@@ -937,17 +937,14 @@ static bool find_plugin(char *path, char *name, char *buf, char **file)
 }
 
 METHOD(plugin_loader_t, load_plugins, bool,
-	private_plugin_loader_t *this, char *default_path, char *list)
+	private_plugin_loader_t *this, char *list)
 {
 	enumerator_t *enumerator;
-	char *token;
+	char *default_path = NULL, *token;
 	bool critical_failed = FALSE;
 
 #ifdef PLUGINDIR
-	if (default_path == NULL)
-	{
-		default_path = PLUGINDIR;
-	}
+	default_path = PLUGINDIR;
 #endif /* PLUGINDIR */
 
 	enumerator = enumerator_create_token(list, " ", " ");

src/libstrongswan/plugins/plugin_loader.h

@@ -57,25 +57,24 @@ struct plugin_loader_t {
 								 bool critical);
 
 	/**
-	 * Load a list of plugins from a directory.
+	 * Load a list of plugins.
 	 *
-	 * Each plugin in list may have a ending exclamation mark (!) to mark it
+	 * Each plugin in list may have an ending exclamation mark (!) to mark it
 	 * as a critical plugin. If loading a critical plugin fails, plugin loading
 	 * is aborted and FALSE is returned.
 	 *
 	 * Additional paths can be added with add_path(), these will be searched
-	 * for the plugins first, in the order they were added, then the given path
-	 * or the default follow.
+	 * for the plugins first, in the order they were added, then the default
+	 * path follows.
 	 *
 	 * @note Even though this method could be called multiple times this is
 	 * currently not really supported in regards to plugin features and their
 	 * dependencies (in particular soft dependencies).
 	 *
-	 * @param path			path containing loadable plugins, NULL for default
 	 * @param list			space separated list of plugins to load
 	 * @return				TRUE if all critical plugins loaded successfully
 	 */
-	bool (*load)(plugin_loader_t *this, char *path, char *list);
+	bool (*load)(plugin_loader_t *this, char *list);
 
 	/**
 	 * Add an additional search path for plugins.