Skip ODBC test if no ODBC is compiled.

modified:
  mysql-test/suite/connect/t/odbc_xls.test

mysql-test/suite/connect/t/odbc_xls.test

 --disable_query_log
+--error 0,ER_UNKNOWN_ERROR
 CREATE TABLE t1 ENGINE=CONNECT TABLE_TYPE=ODBC CATFUNC=Sources;
+if ($mysql_errno)
+{
+  Skip No ODBC support
+}
 if (!`SELECT count(*) FROM t1 WHERE Name='ConnectEngineXLS'`)
 {
   DROP TABLE t1;