Update client_xml test to avoid timestamp-sensitive part of test.

mysql-test/t/client_xml.test:
  Exclude create in mysqldump test, it includes timestamp
mysql-test/r/client_xml.result:
  Update result file

mysql-test/r/client_xml.result

@@ -21,7 +21,6 @@ insert into t1 values (1, 2, 'a&b a<b a>b');
 		<field Field="a&amp;b" Type="int(11)" Null="YES" Key="" Extra="" />
 		<field Field="a&lt;b" Type="int(11)" Null="YES" Key="" Extra="" />
 		<field Field="a&gt;b" Type="text" Null="YES" Key="" Extra="" />
-		<options Name="t1" Engine="MyISAM" Version="9" Row_format="Dynamic" Rows="1" Avg_row_length="28" Data_length="28" Max_data_length="4294967295" Index_length="1024" Data_free="0" Create_time="2005-01-26 01:21:39" Update_time="2005-01-26 01:21:39" Collation="latin1_swedish_ci" Create_options="" Comment="" />
 	</table_structure>
 	<table_data name="t1">
 	<row>

mysql-test/t/client_xml.test

@@ -7,7 +7,7 @@ create table t1 (
 );
 insert into t1 values (1, 2, 'a&b a<b a>b');
 --exec $MYSQL --xml test -e 'select * from t1'
---exec $MYSQL_DUMP --xml test
+--exec $MYSQL_DUMP --xml --skip-create test
 
 --exec $MYSQL --xml test -e 'select count(*) from t1'
 --exec $MYSQL --xml test -e 'select 1 < 2 from dual'