From 048444fd21d0110eeb04af471782718ac3348043 Mon Sep 17 00:00:00 2001
From: Gareth J Barnard <gjbarnard@gmail.com>
Date: Thu, 27 Aug 2015 15:40:03 +0100
Subject: [PATCH] MDL-50690 themes: Theme cache SVG images are not created.

---
 theme/image.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/theme/image.php b/theme/image.php
index 99af6c3433e..244ee43f08a 100644
--- a/theme/image.php
+++ b/theme/image.php
@@ -167,6 +167,10 @@ if (!$usesvg) {
             }
             send_uncached_image($imagefile);
             exit;
+        } else {
+            /* We cannot serve the SVG file this time and there is no alternative, so prevent future
+               requests from failing to find the image when they can support SVG. */
+            image_not_found();
         }
     }
 }