* string.c (rb_str_dump): need to extend len for \b.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10512 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Tue Jul 11 17:28:08 2006  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* string.c (rb_str_dump): need to extend len for \b.
+
 Tue Jul 11 15:29:15 2006  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* bignum.c (rb_int2big): use SIGNED_VALUE.  [ruby-dev:29019]

string.c

@@ -2497,7 +2497,7 @@ rb_str_dump(VALUE str)
 	  case '"':  case '\\':
 	  case '\n': case '\r':
 	  case '\t': case '\f':
-	  case '\013': case '\007': case '\033':
+	  case '\013': case '\010': case '\007': case '\033':
 	    len += 2;
 	    break;