This is a simple fix, allowing a join_table_list in the right reduction of a
normal_join sequence, instead of just a join_table. This makes things like
"t1, (t2 left join t3)" work, but it also allows "join" and "cross join" instead
of ",".

This should fix the bug reported as:
  Subject: ODBC SQL syntax issue 
  From: Ivan Vazharov 
  Date: Mon, 30 Sep 2002 12:02:42 +0200 


mysql-test/r/select.result:
  Results from new test cases for removing braces in joins.
mysql-test/t/select.test:
  New test cases for removing braces in joins.
sql/sql_yacc.yy:
  Allow (and remove) braces in all parts of a normal_join list, not just the
  first one.
  Also added three missing ';'.
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted