Fix lua symbols.map to export init

plugins/lua/symbols.map

@@ -1,3 +1,3 @@
-clish_plugin_init
-clish_plugin_fini
+clish_plugin_lua_init
+clish_plugin_lua_fini
 clish_plugin_lua_action

plugins/lua/version.map

@@ -1,4 +1,4 @@
 {
-	global: clish_plugin_init; clish_plugin_fini; clish_plugin_lua_action;
+	global: clish_plugin_lua_init; clish_plugin_lua_fini; clish_plugin_lua_action;
 	local: *;
 };