Fix comments in Horde_* file headers

plugins/calendar/lib/Horde_Date.php

@@ -1,8 +1,7 @@
 <?php
 
 /**
- * This is a concatenated copy of the following files:
- *   Horde/Date.php, PEAR/Date/Calc.php, Horde/Date/Recurrence.php
+ * This is a copy of the Horde/Date.php class from the Horde framework
  */
 
 define('HORDE_DATE_SUNDAY',    0);

plugins/calendar/lib/Horde_Date_Recurrence.php

@@ -1,5 +1,10 @@
 <?php
 
+/**
+ * This is a concatenated copy of the following files:
+ *   PEAR/Date/Calc.php, Horde/Date/Recurrence.php
+ */
+
 require_once(dirname(__FILE__) . '/Horde_Date.php');
 
 // {{{ Header

plugins/calendar/lib/Horde_iCalendar.php

@@ -1,5 +1,10 @@
 <?php
 
+/**
+ * This is a concatenated copy of the following files:
+ *   Horde/String.php, Horde/iCalendar.php, Horde/iCalendar/*.php
+ */
+
 require_once(dirname(__FILE__) . '/Horde_Date.php');
 
 

plugins/calendar/lib/get_horde_icalendar.sh

@@ -11,8 +11,14 @@ if [ ! -d "$SRCDIR" ]; then
   exit 1
 fi
 
-echo "<?php\n"
-echo "require_once(dirname(__FILE__) . '/Horde_Date.php');"
+echo "<?php
+
+/**
+ * This is a concatenated copy of the following files:
+ *   Horde/String.php, Horde/iCalendar.php, Horde/iCalendar/*.php
+ */
+
+require_once(dirname(__FILE__) . '/Horde_Date.php');"
 
 sed 's/<?php//; s/?>//' $SRCDIR/String.php
 echo "\n"