Change two "<?" to "<?php".

The "<?" causes a parse error in PHP 5.3.2.

diff --git a/admin/system_utils.php b/admin/system_utils.php
index 1964bb4..b6cadab 100644
--- a/admin/system_utils.php
+++ b/admin/system_utils.php
@@ -94,5 +94,5 @@ foreach( $t_dest_ids as $t_id ) {
 	</center></td></tr>
 
 </table>
-<?
+<?php
 	html_page_bottom();
diff --git a/manage_user_page.php b/manage_user_page.php
index f57f4d4..dbf53dc 100644
--- a/manage_user_page.php
+++ b/manage_user_page.php
@@ -330,7 +330,7 @@ for ($i=0;$i<$user_count;$i++) {
 		if ( access_has_global_level( $u_access_level ) ) {
 	?>
 		<a href="manage_user_edit_page.php?user_id=<?php echo $u_id ?>"><?php echo string_display_line( $u_username ) ?></a>
-	<?
+	<?php
 		} else {
 			echo string_display_line( $u_username );
 		}