Stamp 2.9.1.

Author: jeevanchalke

expected/select.out

@@ -15,7 +15,7 @@ CREATE USER MAPPING FOR PUBLIC SERVER mysql_svr
 SELECT mysql_fdw_version();
  mysql_fdw_version 
 -------------------
-             20900
+             20901
 (1 row)
 
 -- Create foreign tables

mysql_fdw.c

@@ -121,9 +121,9 @@ unsigned int ((mysql_num_rows) (MYSQL_RES *result));
 
 /*
  * In PG 9.5.1 the number will be 90501,
- * our version is 2.9.0 so number will be 20900
+ * our version is 2.9.1 so number will be 20901
  */
-#define CODE_VERSION   20900
+#define CODE_VERSION   20901
 
 /*
  * The number of rows in a foreign relation are estimated to be so less that