Rename total_page to all_page in in_memory_page_stats().

Author: Alexander Korotkov

contrib/in_memory/in_memory--1.0.sql

@@ -35,7 +35,7 @@ RETURNS text
 AS 'MODULE_PATHNAME'
 VOLATILE LANGUAGE C;
 
-CREATE FUNCTION in_memory_page_stats(OUT busy_pages int8, OUT free_pages int8, OUT total_pages int8)
+CREATE FUNCTION in_memory_page_stats(OUT busy_pages int8, OUT free_pages int8, OUT all_pages int8)
 RETURNS record
 AS 'MODULE_PATHNAME'
 VOLATILE LANGUAGE C;