fix DEL (0x7F) handling in json parsing for parson lib

fix_del_handling patch

From 7ec457c345165d8e0f4138b9d8f5e93b61cace0c Mon Sep 17 00:00:00 2001
From: Fulvio Esposito <fulvio@ssl.co.uk>
Date: Wed, 12 Dec 2012 17:25:45 +0000
Subject: [PATCH] fix DEL (0x7F) handling in string parsing

---
 parson.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/parson.c b/parson.c
index 73047f1..63a0df0 100644
--- a/parson.c
+++ b/parson.c
@@ -331,7 +331,7 @@ static const char * get_processed_string(const char **string) {
                     return NULL;
                     break;
             }
-        } else if (iscntrl((unsigned char)current_char)) { /* no control characters allowed */
+        } else if (iscntrl((unsigned char)current_char) && ((unsigned char)current_char != 0x7F)) { /* no control characters allowed (except DEL)*/
             parson_free(output);
             return NULL;
         }
-- 
1.8.0.msysgit.0