v04i132: merged echo patch

[David MacKenzie]

Posting-number: Volume 4, Issue 132
Submitted-by: "David MacKenzie" <edf at ROCKY2.ROCKEFELLER.EDU>
Archive-name: echo.patch1

Hard to believe anyone could botch an echo, isn't it?  And I'd been
using it for about a month when I posted it.  Sigh.  The below patch
makes the \0ooo escape work.

*** echo.c.old	Sat Oct  1 02:02:58 1988
--- echo.c	Sat Oct  1 02:03:35 1988
***************
*** 21,27 ****
   * \\		backslash
   *
   * David MacKenzie
!  * Latest revision: 08/07/88
   */
  
  #include <stdio.h>
--- 21,27 ----
   * \\		backslash
   *
   * David MacKenzie
!  * Latest revision: 10/01/88
   */
  
  #include <stdio.h>
***************
*** 65,71 ****
  		break;
  	    case '0':
  		for (i = n = 0, ++s; i < 3 && *s >= '0' && *s <= '7'; ++i, ++s)
! 		    n += *s - '0';
  		--s;
  		putchar(n);
  		break;
--- 65,71 ----
  		break;
  	    case '0':
  		for (i = n = 0, ++s; i < 3 && *s >= '0' && *s <= '7'; ++i, ++s)
! 		    n = n * 8 + *s - '0';
  		--s;
  		putchar(n);
  		break;