[gtk+] cssparser: Don't detect /*/ as a comment

[Benjamin Otte <otte src gnome org>]

commit 7f3595a6bea388e842914471032e10a8ff775ffb
Author: Marcus KraÃmann <marcus krassmann gmail com>
Date:   Wed Nov 28 21:09:37 2012 +0100

    cssparser: Don't detect /*/ as a comment

 gtk/gtkcssparser.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkcssparser.c b/gtk/gtkcssparser.c
index d00b525..ab38fc9 100644
--- a/gtk/gtkcssparser.c
+++ b/gtk/gtkcssparser.c
@@ -257,7 +257,7 @@ gtk_css_parser_skip_comment (GtkCssParser *parser)
 
       parser->data++;
 
-      if (parser->data[-2] == '*')
+      if (len > 0 && parser->data[-2] == '*')
         return TRUE;
       if (parser->data[0] == '*')
         _gtk_css_parser_error (parser, "'/*' in comment block");