Purge remaining references to PerlIO_sprintf and PerlIO_vsprintf().

Eliminate their function prototypes. Eliminate references in perlio.sym and
makedef.pl which caused them to still be added to the Win32 linker
definitions.

makedef.pl

@@ -677,7 +677,6 @@ sub readvar {
 			 PerlIO_set_cnt
 			 PerlIO_set_ptrcnt
 			 PerlIO_setlinebuf
-			 PerlIO_sprintf
 			 PerlIO_stderr
 			 PerlIO_stdin
 			 PerlIO_stdout
@@ -805,9 +804,7 @@ sub readvar {
 		    PerlIO_getpos
 		    PerlIO_init
 		    PerlIO_setpos
-		    PerlIO_sprintf
 		    PerlIO_tmpfile
-		    PerlIO_vsprintf
 	     ));
 
 if ($ARGS{PLATFORM} eq 'win32') {

perlio.h

@@ -281,10 +281,6 @@ PERL_EXPORT_C void PerlIO_setlinebuf(PerlIO *);
 PERL_EXPORT_C int PerlIO_printf(PerlIO *, const char *, ...)
     __attribute__format__(__printf__, 2, 3);
 #endif
-#ifndef PerlIO_sprintf
-PERL_EXPORT_C int PerlIO_sprintf(char *, int, const char *, ...)
-    __attribute__format__(__printf__, 3, 4);
-#endif
 #ifndef PerlIO_vprintf
 PERL_EXPORT_C int PerlIO_vprintf(PerlIO *, const char *, va_list);
 #endif

perlio.sym

@@ -21,10 +21,8 @@ PerlIO_releaseFILE
 PerlIO_reopen
 PerlIO_rewind
 PerlIO_setpos
-PerlIO_sprintf
 PerlIO_stdoutf
 PerlIO_teardown
 PerlIO_tmpfile
 PerlIO_ungetc
 PerlIO_vprintf
-PerlIO_vsprintf

perliol.h

@@ -158,8 +158,6 @@ PERL_EXPORT_C PerlIO_list_t * PerlIO_resolve_layers(pTHX_ const char *layers, co
 PERL_EXPORT_C PerlIO_funcs * PerlIO_default_layer(pTHX_ I32 n);
 PERL_EXPORT_C PerlIO_list_t * PerlIO_default_layers(pTHX);
 PERL_EXPORT_C PerlIO * PerlIO_reopen(const char *path, const char *mode, PerlIO *f);
-PERL_EXPORT_C int PerlIO_vsprintf(char *s, int n, const char *fmt, va_list ap)
-                __attribute__format__(__printf__,3,0);
 
 PERL_EXPORT_C PerlIO_list_t *PerlIO_list_alloc(pTHX);
 PERL_EXPORT_C PerlIO_list_t *PerlIO_clone_list(pTHX_ PerlIO_list_t *proto, CLONE_PARAMS *param);

perlsfio.h

@@ -43,7 +43,6 @@ extern int	_stdprintf _ARG_((const char*, ...));
 #define PerlIO_puts(f,s)		sfputr(f,s,-1)
 #define PerlIO_putc(f,c)		sfputc(f,c)
 #define PerlIO_ungetc(f,c)		sfungetc(f,c)
-#define PerlIO_sprintf			sfsprintf
 #define PerlIO_getc(f)			sfgetc(f)
 #define PerlIO_eof(f)			sfeof(f)
 #define PerlIO_error(f)			sferror(f)