win version was broken because wchar_t is unsigned in WIN32.

git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@2070 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

C/iopreds.c

@@ -691,12 +691,6 @@ Yap_DebugPutc(int sno, wchar_t ch)
   return (putc(ch, Yap_stderr));
 }
 
-void 
-Yap_DebugPlWrite(Term t)
-{
-  Yap_plwrite(t, Yap_DebugPutc, 0);
-}
-
 void 
 Yap_DebugErrorPutc(int c)
 {
@@ -1423,12 +1417,13 @@ ConsolePipeGetc(int sno)
 static int
 PlGetc (int sno)
 {
-  register StreamDesc *s = &Stream[sno];
-  register Int ch;
+  StreamDesc *s = &Stream[sno];
+  Int ch;
 
   ch = YP_getc (s->u.file.file);
-  if (ch == EOF)
+  if (ch == EOF) {
     return post_process_eof(s);    
+  }
   return post_process_read_char(ch, s);
 }