[gtk] rendernodeparser: Fix a memory leak when parsing glyphs

[Timm Bäder <baedert src gnome org>]

commit 6e47ebe030faf67425ac4ddbb811260857b6ad56
Author: Timm Bäder <mail baedert org>
Date:   Sun Jul 21 09:06:50 2019 +0200

    rendernodeparser: Fix a memory leak when parsing glyphs

 gsk/gskrendernodeparser.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gsk/gskrendernodeparser.c b/gsk/gskrendernodeparser.c
index 402ee3e5e4..ee370d1112 100644
--- a/gsk/gskrendernodeparser.c
+++ b/gsk/gskrendernodeparser.c
@@ -749,6 +749,8 @@ parse_glyphs (GtkCssParser *parser,
               pango_glyph_string_set_size (glyph_string, glyph_string->num_glyphs + 1);
               glyph_string->glyphs[glyph_string->num_glyphs - 1] = gi;
             }
+
+          g_free (s);
         }
       else
         {