[rfa] Fix comment in can_use_hardware_watchpoint

[Thiago Jung Bauermann]

Hi,

Ulrich Weigand elucidated a question asked in a comment in
can_use_hardware_watchpoint. This patch fixes it.

Thanks and regards,
Thiago Jung Bauermann
IBM Linux Technology Center


2010-07-01  Ulrich Weigand  <uweigand@de.ibm.com>
	    Thiago Jung Bauermann  <bauerman@br.ibm.com>

	* breakpoint.c (can_use_hardware_watchpoint): Answer "what does this
	represent?" question in comment.  Change comment to a proper sentence.

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