Remove extraneous external/forward declarations that are duplicates of those in "xxxdefs.h" files.

modified:   src/allocmds.c
	modified:   src/array5.c
	modified:   src/car-cdr.c
	modified:   src/dbgtool.c
	modified:   src/ether.c
	modified:   src/gc2.c
	modified:   src/gcfinal.c
	modified:   src/gcmain3.c
	modified:   src/gcrcell.c
	modified:   src/initkbd.c
	modified:   src/initsout.c
	modified:   src/keyevent.c
	modified:   src/keylib.c
	modified:   src/keymaker.c
	modified:   src/keytst.c
	modified:   src/loopsops.c
	modified:   src/lsthandl.c
	modified:   src/main.c
	modified:   src/mkatom.c
	modified:   src/mkcell.c
	modified:   src/mvs.c
	modified:   src/storage.c
	modified:   src/testtool.c
	modified:   src/unixcomm.c
	modified:   src/vars3.c
	modified:   src/xc.c
	modified:   src/z2.c

src/keytst.c

@@ -26,6 +26,8 @@ static char *id = "$Id: keytst.c,v 1.3 1999/05/31 23:35:36 sybalsky Exp $ Copyri
 #include <string.h>
 #include <ctype.h>
 
+#include "keylibdefs.h"
+
 #ifdef HPUX
 /* On HPUX, use the UNAME syscall to get hostid */
 #include <sys/utsname.h>
@@ -51,11 +53,6 @@ static char *id = "$Id: keytst.c,v 1.3 1999/05/31 23:35:36 sybalsky Exp $ Copyri
 #define FAILURE4 -4
 #define FAILURE99 -99
 
-unsigned long make_verification(unsigned long x, unsigned long y);
-unsigned long date_integer16(char *date);
-unsigned long idate(char *str);
-unsigned long modify(unsigned long hostid);
-
 /* =====================================================================
         KEYTESTER checks the input key string.
      It returns 0 if the keys are valid, otherwise it returns non-0.