Hi All,
During review of trace-buffer-size patch, I was asked to move a change  
into a separate patch. This is simple change in remote_set_trace_notes  
that will make this function return if all arguments are NULL.

2012-03-01  Stan Shebs  <stan@codesourcery.com>
	    Hafiz Abid Qadeer  <abidh@codesourcery.com>

	gdb/
	* remote.c (remote_set_trace_notes): Handle no-op case better.