[gjs] gjs_value_debug_string: Handle old XULRunner

[Colin Walters <walters src gnome org>]

commit 64f78b5810215a12030c25d1ee63003f17113e13
Author: Colin Walters <walters verbum org>
Date:   Mon Jun 13 14:09:56 2011 -0400

    gjs_value_debug_string: Handle old XULRunner

 gjs/jsapi-util.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gjs/jsapi-util.c b/gjs/jsapi-util.c
index ac1237f..1dde7e8 100644
--- a/gjs/jsapi-util.c
+++ b/gjs/jsapi-util.c
@@ -784,7 +784,12 @@ gjs_string_readable (JSContext   *context,
         size_t i, len;
         const jschar *uchars;
 
+#ifdef HAVE_JS_GETSTRINGCHARS
+        uchars = JS_GetStringChars(string);
+        len = JS_GetStringLength(string);
+#else
         uchars = JS_GetStringCharsAndLength(context, string, &len);
+#endif
 
         for (i = 0; i < len; i++) {
             jschar c = uchars[i];