extend.texi (x86 Function Attributes): Reformat nocf_check example to avoid overfull...

extend.texi (x86 Function Attributes): Reformat nocf_check example	to avoid overfull hbox.

2017-12-17  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* doc/extend.texi (x86 Function Attributes): Reformat nocf_check
	example	to avoid overfull hbox.
	* doc/invoke.texi (Option Summary): Add missing @gol.
	(C++ Dialect Options): Reformat -Wnoexcept-type example to avoid
	overfull hbox.

From-SVN: r255774