cpp.texi (Search Path): Hyphenate "command-line" when used as an adjective.

cpp.texi (Search Path): Hyphenate "command-line" when used as an adjective.

2015-03-22  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* doc/cpp.texi (Search Path): Hyphenate "command-line" when used
	as an adjective.
	(System Headers): Likewise.
	(Ifdef): Likewise.
	(Traditional macros): Likewise.
	(Invocation): Likewise.
	(Option Index): Likewise.
	* doc/cppopts.texi (-M): Likewise.
	(-finput-charset): Likewise.
	(--help): Likewise.
	* doc.invoke.texi (AVR Options): Likewise.
	(V850 Options): Likewise.

From-SVN: r221583