* ChangeLog: Follow spelling conventions.

	* ChangeLog.2: Likewise.
	* c-decl.c: Likewise.
	* cfgloop.h: Likewise.
	* cgraph.c: Likewise.
	* coverage.c: Likewise.
	* cppcharset.c: Likewise.
	* cpphash.h: Likewise.
	* cpplex.c: Likewise.
	* cpplib.c: Likewise.
	* dbxout.c: Likewise.
	* df.c: Likewise.
	* dwarf2out.c: Likewise.
	* dwarfout.c: Likewise.
	* emit-rtl.c: Likewise.
	* explow.c: Likewise.
	* gcov-io.c: Likewise.
	* gcov-io.h: Likewise.
	* gcov.c: Likewise.
	* gengtype.c: Likewise.
	* ggc.h: Likewise.
	* opts.c: Likewise.
	* real.c: Likewise.
	* reload.c: Likewise.
	* stmt.c: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@67849 138bc75d-0d04-0410-961f-82ee72b054a4