Hi,

A recent audit of gdb caught some problems with char vs gdb_byte 
correctness. This introduced a build problem. The following patch 
attempts to address this.

Keith

ChangeLog
2013-06-05  Keith Seitz  <keiths@redhat.com>

	* generic/gdbtk-register.c (map_arg_registers): Change type of
	raw_buffer to gdb_byte to follow recent API changes in gdb.
	* generic/gdbtk-cmds.c (gdb_update_mem): Likewise for ' mbfu',
	'mptr', and 'cptr'.