typo in libio.h

[Weiwen Liu]

Hi,

The following patch fixes a type in libio.h.  Without this patch,
libstdc++ will fail.

Since Makefile does not specify that iofeof.c depends on libio.h,
remove iofeof.o before rebuilding libio.a



Mon Sep  8 01:30:27 1997  Weiwen Liu    <liu@hepunix.physics.yale.edu>

	* libio.h: Fix typo.

*** libio.h.~1~	Sat Sep  6 03:43:42 1997
--- libio.h	Mon Sep  8 01:20:27 1997
*************** extern int __overflow __P((_IO_FILE*, in
*** 273,279 ****
      ? __overflow(_fp, (unsigned char)(_ch)) \
      : (unsigned char)(*(_fp)->_IO_write_ptr++ = (_ch)))
  
! #define _IO_feof_unclocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0)
  #define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0)
  
  extern int _IO_getc __P ((_IO_FILE *__fp));
--- 273,279 ----
      ? __overflow(_fp, (unsigned char)(_ch)) \
      : (unsigned char)(*(_fp)->_IO_write_ptr++ = (_ch)))
  
! #define _IO_feof_unlocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0)
  #define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0)
  
  extern int _IO_getc __P ((_IO_FILE *__fp));