Wrong criteria was used to distinguish the case when there was no
lookahead performed in the parser.  Bug affected only statements
ending in one-character token without any optional tail, like CREATE
INDEX and CALL.


mysql-test/r/sp-code.result:
  Add result for bug#19207: Final parenthesis omitted for CREATE INDEX
  in Stored Procedure
mysql-test/t/sp-code.test:
  Add test case for bug#19207: Final parenthesis omitted for CREATE INDEX
  in Stored Procedure
sql/sql_yacc.yy:
  Use (yychar == YYEMPTY) as the criteria of whether lookahead was not
  performed.