MSVC compiler support [patch 34]: sepchar and load_path

[Michael Goffioul]

The sepchar being ';' under MSVC, this produces errors in path handling

Index: src/load-path.cc
===================================================================
RCS file: /cvs/octave/src/load-path.cc,v
retrieving revision 1.9
diff -p -c -r1.9 load-path.cc
*** src/load-path.cc    31 Aug 2006 02:31:57 -0000      1.9
--- src/load-path.cc    17 Oct 2006 11:07:42 -0000
*************** load_path::do_initialize (void)
*** 375,384 ****
--- 375,391 ----
    if (! tpath.empty ())
      xpath += dir_path::path_sep_str + tpath;
  
+ #ifndef _MSC_VER
    if (Vsystem_path != ":")
      xpath += Vsystem_path;
  
    do_set (xpath + ":::", false);
+ #else
+   if (Vsystem_path != ":")
+     xpath += Vsystem_path.substr(1);
+ 
+   do_set (xpath, false);
+ #endif
  }
  
  void