* 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

1 files changed, 1 insertions, 1 deletions

diff --git a/string.c b/string.c
index bcd75a229a..16939e15f6 100644
--- a/string.c
+++ b/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;