When I was implementing the File-I/O protocol recently, I noticed a lot of 
spelling and grammatical mistakes in that section of the manual.  Here's a patch 
to clean it up.

2006-05-13  Sandra Loosemore  <sandra@codesourcery.com>
	* gdb.texinfo (File-I/O remote protocol extension): General
	copy-editing to fix spelling, grammar, formatting issues.
	Moved a few paragraphs around to more logical places.

-Sandra