HAVE_DEPRECATED_411_API macro removed.

include/mysql.h:
  Removed obsolete define.
tests/client_test.c:
  Rewritten to use new API.
  Few cleanups.
  A lot of valgrind warnings/errors removed.

include/mysql.h

@@ -77,7 +77,6 @@ extern char *mysql_unix_port;
 #define IS_NUM_FIELD(f)	 ((f)->flags & NUM_FLAG)
 #define INTERNAL_NUM_FIELD(f) (((f)->type <= FIELD_TYPE_INT24 && ((f)->type != FIELD_TYPE_TIMESTAMP || (f)->length == 14 || (f)->length == 8)) || (f)->type == FIELD_TYPE_YEAR)
 
-#define HAVE_DEPRECATED_411_API 1
 
 typedef struct st_mysql_field {
   char *name;                 /* Name of column */