update many old style function definitions

This includes regenerating a bunch of files in opcodes/ with trunk cgen.

gprof/ChangeLog:

2016-04-20  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

	* basic_blocks.c: Update old style function definitions.
	* cg_arcs.c: Likewise.
	* cg_print.c: Likewise.
	* gen-c-prog.awk: Likewise.
	* gmon_io.c: Likewise.
	* hertz.c: Likewise.
	* hist.c: Likewise.
	* sym_ids.c: Likewise.

bfd/ChangeLog:

2016-04-20  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

	* cache.c: Update old style function definitions.
	* elf32-m68k.c: Likewise.
	* elf64-mmix.c: Likewise.
	* stab-syms.c: Likewise.

opcodes/ChangeLog:

2016-04-20  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

	* alpha-dis.c: Regenerate.
	* crx-dis.c: Likewise.
	* disassemble.c: Likewise.
	* epiphany-opc.c: Likewise.
	* fr30-opc.c: Likewise.
	* frv-opc.c: Likewise.
	* ip2k-opc.c: Likewise.
	* iq2000-opc.c: Likewise.
	* lm32-opc.c: Likewise.
	* lm32-opinst.c: Likewise.
	* m32c-opc.c: Likewise.
	* m32r-opc.c: Likewise.
	* m32r-opinst.c: Likewise.
	* mep-opc.c: Likewise.
	* mt-opc.c: Likewise.
	* or1k-opc.c: Likewise.
	* or1k-opinst.c: Likewise.
	* tic80-opc.c: Likewise.
	* xc16x-opc.c: Likewise.
	* xstormy16-opc.c: Likewise.

ld/ChangeLog:

2016-04-20  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

	* emultempl/scoreelf.em: Likewise.

binutils/ChangeLog:

2016-04-20  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

	* resres.c: Likewise.

gas/ChangeLog:

2016-04-20  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

	* cgen.c: Likewise.
	* config/tc-bfin.c: Likewise.
	* config/tc-ia64.c: Likewise.
	* config/tc-mep.c: Likewise.
	* config/tc-metag.c: Likewise.
	* config/tc-nios2.c: Likewise.
	* config/tc-rl78.c: Likewise.

gprof/hertz.c

@@ -31,7 +31,7 @@
 
 
 int
-hertz ()
+hertz (void)
 {
 #ifdef HERTZ
   return HERTZ;