[core] don't decode strings with no encoding in them

diff --git a/src/switch_utils.c b/src/switch_utils.c
index 1d590d24f43a6c0d79042bc15e3565f148d17a4c..107d1a86436ed1a15e489f44f4de4bd0b43f156b 100644 (file)
--- a/src/switch_utils.c
+++ b/src/switch_utils.c
@@ -3508,7 +3508,7 @@ SWITCH_DECLARE(char *) switch_url_decode(char *s)
        char *o;
        unsigned int tmp;
 
-       if (zstr(s)) {
+       if (zstr(s) || !strchr(s, '%')) {
                return s;
        }