Changed the signature of the CALLBACK_USB_GetDescriptor() callback function so that the descriptor pointer is const, to remove the need for extra casting inside the callback (thanks to Jonathan Kollasch).

LUFA/ManPages/ChangeLog.txt

@@ -24,6 +24,8 @@
   *  - Changed all Device mode LowLevel demos and Device Class drivers so that the control request is acknowledged and any data
   *    transferred as quickly as possible without any processing inbetween sections, so that long callbacks or event handlers will
   *    not break communications with the host by exceeding the maximum control request stage timeout period
+  *  - Changed the signature of the CALLBACK_USB_GetDescriptor() callback function so that the descriptor pointer is const, to remove
+  *    the need for extra casting inside the callback (thanks to Jonathan Kollasch)
   *
   *  <b>Fixed:</b>
   *  - Fixed USB_GetHIDReportItemInfo() function modifying the given report item's data when the report item does not exist

LUFA/ManPages/MigrationInformation.txt

@@ -18,6 +18,11 @@
  *    - A new USB driver source file, Drivers/USB/HighLevel/PipeStream.c now exists. This source file should be added to all
  *      project makefiles using the USB driver of LUFA, or the makefile should be updated to use the new module source variables.
  *
+ *  <b>Device Mode</b>
+ *    - The signature for the CALLBACK_USB_GetDescriptor() callback has changed, the "void** const DescriptorAddress" parameter is
+ *      now "const void** const DescriptorAddress". Existing applications should update their callback signatures to match this, and
+ *      eliminate any casting of descriptor pointers to a non-const pointer.
+ *
  * \section Sec_Migration100807 Migrating from 100513 to 100807
  *
  *  <b>Non-USB Library Components</b>