* cpplib.h, cpphash.h, cppcharset.c, cpperror.c, cppexp.c

	* cpplib.h, cpphash.h, cppcharset.c, cpperror.c, cppexp.c
	* cppfiles.c, cpphash.c, cppinit.c, cpplex.c, cpplib.c
	* cppmacro.c, cpppch.c, cpptrad.c, cppspec.c: Convert to
	ISO C: new-style function declarations, no need for PARAMS,
	no special punctuation on indirect function calls, use string
	constant concatenation where convenient.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68070 138bc75d-0d04-0410-961f-82ee72b054a4