invoke.texi (Option Summary): Move -no-integrated-cpp from C Language Options to...

invoke.texi (Option Summary): Move -no-integrated-cpp from C Language Options to Preprocessor Options.

2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* doc/invoke.texi (Option Summary): Move -no-integrated-cpp
	from C Language Options to Preprocessor Options.
	(C Dialect Options): Move -no-integrated-cpp documentation
	from here...
	(Preprocessor Options): ...to here.  Rewrite the description
	so it makes more sense, and remove discussion of merging
	front ends.

From-SVN: r185211