[epiphany/gnome-3-30] Fix bug in Ephy.getWebAppIcon

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 895da9295acea8a02e547ebe31b94b6f3a6403bb
Author: Sonny Piers <sonny fastmail net>
Date:   Wed Aug 7 20:53:38 2019 +0000

    Fix bug in Ephy.getWebAppIcon
    
    (cherry picked from commit 0d07007968dd0ebf6e7ff9e3ef7055c7679ff589)

 embed/web-extension/resources/js/ephy.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/embed/web-extension/resources/js/ephy.js b/embed/web-extension/resources/js/ephy.js
index b4c3f6864..0b81012d7 100644
--- a/embed/web-extension/resources/js/ephy.js
+++ b/embed/web-extension/resources/js/ephy.js
@@ -101,7 +101,7 @@ 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');