cssparser: Actually send an error in an error case

The error case was excess commas in rgb/rgba colors, such as
rgba(0,255,0,0,0.5)

diff --git a/gtk/gtkcssparser.c b/gtk/gtkcssparser.c
index 3aab85e67a89be7a20a9ace00427f9eb2ec9173a..80544515e1ba79ef8d0ebd3022974223b62624dd 100644 (file)
--- a/gtk/gtkcssparser.c
+++ b/gtk/gtkcssparser.c
@@ -716,6 +716,7 @@ gtk_css_parser_read_symbolic_color_function (GtkCssParser *parser,
 
   if (!_gtk_css_parser_try (parser, ")", TRUE))
     {
+      _gtk_css_parser_error (parser, "Expected ')' in color definition");
       gtk_symbolic_color_unref (symbolic);
       return NULL;
     }