MSVC compilation patch: opendir, readdir... declaration

[Michael Goffioul]

This patch declares the opendir, readdir... functions. These 
declarations are needed
for C++.

Michael.

Index: liboctave/lo-sysdep.cc
===================================================================
RCS file: /cvs/octave/liboctave/lo-sysdep.cc,v
retrieving revision 1.9
diff -c -r1.9 lo-sysdep.cc
*** liboctave/lo-sysdep.cc      26 Oct 2006 00:32:53 -0000      1.9
--- liboctave/lo-sysdep.cc      28 Oct 2006 09:14:50 -0000
***************
*** 38,43 ****
--- 38,44 ----
  #include "file-ops.h"
  #include "lo-error.h"
  #include "pathlen.h"
+ #include "lo-sysdep.h"
  
  std::string
  octave_getcwd (void)
***************
*** 101,119 ****
  
  #include <windows.h>
  
! struct direct
! {
!   char *d_name;
! };
! 
! typedef struct
  {
    HANDLE hnd;
    WIN32_FIND_DATA fd;
    int dirty;
    struct direct d;
    const char* current;
! } DIR;
  
  DIR *
  opendir (const char *name)
--- 102,115 ----
  
  #include <windows.h>
  
! struct __DIR
  {
    HANDLE hnd;
    WIN32_FIND_DATA fd;
    int dirty;
    struct direct d;
    const char* current;
! };
  
  DIR *
  opendir (const char *name)
Index: liboctave/lo-sysdep.h
===================================================================
RCS file: /cvs/octave/liboctave/lo-sysdep.h,v
retrieving revision 1.4
diff -c -r1.4 lo-sysdep.h
*** liboctave/lo-sysdep.h       26 Apr 2005 19:24:29 -0000      1.4
--- liboctave/lo-sysdep.h       28 Oct 2006 09:14:50 -0000
***************
*** 36,41 ****
--- 36,56 ----
  extern int gethostname (char *, int);
  #endif
  
+ #ifdef _MSC_VER
+ 
+ struct direct
+ {
+   char *d_name;
+ };
+ typedef struct __DIR DIR;
+ 
+ DIR* opendir (const char *name);
+ void rewinddir (DIR* d);
+ void closedir (DIR* d);
+ struct direct *readdir (DIR* d);
+ 
+ #endif
+ 
  #endif
  
  /*