[epiphany] Fix bug in Ephy.getWebAppIcon

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 0d07007968dd0ebf6e7ff9e3ef7055c7679ff589
Author: Sonny Piers <sonny fastmail net>
Date:   Wed Aug 7 20:53:38 2019 +0000

    Fix bug in Ephy.getWebAppIcon

 embed/web-process-extension/resources/js/ephy.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/embed/web-process-extension/resources/js/ephy.js 
b/embed/web-process-extension/resources/js/ephy.js
index f33228b9a..85e403b80 100644
--- a/embed/web-process-extension/resources/js/ephy.js
+++ b/embed/web-process-extension/resources/js/ephy.js
@@ -41,7 +41,7 @@ Ephy.getWebAppIcon = function(baseURL)
                 break;
             }
 
-            let sizesList = size.split(' ');
+            let sizesList = sizes.split(' ');
             for (let j = 0; j < sizesList.length; j++) {
                 let size = sizesList[j].toLowerCase().split('x');