This patch fix the build error @ tools/debugger/gdb


============== error mesg =====================
In file included from ../../../gdb-6.2.1/gdb/gdbserver/linux-xen-low.c:38:
../../../../../libxc/xenctrl.h:595: error: syntax error before 
"xc_cpuinfo_t"
../../../../../libxc/xenctrl.h:595: warning: type defaults to `int' in 
declaration of `xc_cpuinfo_t'
../../../../../libxc/xenctrl.h:595: warning: data definition has no type 
or storage class
../../../../../libxc/xenctrl.h:597: error: syntax error before 
"xc_cpuinfo_t"
../../../../../libxc/xenctrl.h:818: error: syntax error before "flask_op_t"
../../../../../libxc/xenctrl.h:972: error: syntax error before 
"hvmmem_type_t"
../../../gdb-6.2.1/gdb/gdbserver/linux-xen-low.c:659: warning: 
'linux_set_inferior' defined but not used

-- 
best rgds,
edwin