[gegl] tools: operations_html - build image path with forward slash always

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 747933f7bea4a1b7e9c7400a669ec6ad6fc0e1f9
Author: John Marshall <jtm home gmail com>
Date:   Thu Feb 11 15:28:42 2021 +0000

    tools: operations_html
     - build image path with forward slash always

 tools/operations_html.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/tools/operations_html.c b/tools/operations_html.c
index c3b0d2fe8..a2ef348f4 100644
--- a/tools/operations_html.c
+++ b/tools/operations_html.c
@@ -61,7 +61,7 @@ operation_to_image_path (const gchar *op_name)
 
   g_strdelimit (cleaned, ":", '-');
   filename = g_strconcat (cleaned, ".png", NULL);
-  output_path = g_build_path (G_DIR_SEPARATOR_S, "images", filename, NULL);
+  output_path = g_build_path ("/", "images", filename, NULL);
 
   g_free (cleaned);
   g_free (filename);