erp5_font: ',' is necessary between urls

bt5/erp5_font/SkinTemplateItem/portal_skins/erp5_font/open-sans/open-sans.css.css

@@ -10,7 +10,7 @@ Copyright 2012 Google Inc. All Rights Reserved.
   src: url('open-sans/open-sans-regular.eot');
   src: url('open-sans/open-sans-regular.eot?#iefix') format('embedded-opentype'),
        url('open-sans/open-sans-regular.woff') format('woff'),
-       url('open-sans/open-sans-regular.woff2') format('woff2')
+       url('open-sans/open-sans-regular.woff2') format('woff2'),
        url('open-sans/open-sans-regular.ttf') format('truetype');
   font-weight: normal;
   font-style: normal;
@@ -20,7 +20,7 @@ Copyright 2012 Google Inc. All Rights Reserved.
   src: url('open-sans/open-sans-light.eot');
   src: url('open-sans/open-sans-light.eot?#iefix') format('embedded-opentype'),
        url('open-sans/open-sans-light.woff') format('woff'),
-       url('open-sans/open-sans-light.woff2') format('woff2')
+       url('open-sans/open-sans-light.woff2') format('woff2'),
        url('open-sans/open-sans-light.ttf') format('truetype');
   font-weight: 100;
   font-style: normal;
@@ -30,7 +30,7 @@ Copyright 2012 Google Inc. All Rights Reserved.
   src: url('open-sans/open-sans-italic.eot');
   src: url('open-sans/open-sans-italic.eot?#iefix') format('embedded-opentype'),
        url('open-sans/open-sans-italic.woff') format('woff'),
-       url('open-sans/open-sans-italic.woff2') format('woff2')
+       url('open-sans/open-sans-italic.woff2') format('woff2'),
        url('open-sans/open-sans-italic.ttf') format('truetype');
   font-weight: normal;
   font-style: italic;
@@ -40,7 +40,7 @@ Copyright 2012 Google Inc. All Rights Reserved.
   src: url('open-sans/open-sans-bold.eot');
   src: url('open-sans/open-sans-bold.eot?#iefix') format('embedded-opentype'),
        url('open-sans/open-sans-bold.woff') format('woff'),
-       url('open-sans/open-sans-bold.woff2') format('woff2')
+       url('open-sans/open-sans-bold.woff2') format('woff2'),
        url('open-sans/open-sans-bold.ttf') format('truetype');
   font-weight: bold;
   font-style: normal;