Sencha Touch loading Spinner name fix

sencha-loading-spinner did not work for me but st-loading-spinner worked.  Sencha Touch 2.2.1

Author: jsphfshr

src/ux/sass/_FileUp.scss

@@ -18,7 +18,7 @@
 }
 
 $loading-spinner-color: #000000;
-@include sencha-loading-spinner;
+@include st-loading-spinner;
 .x-fileup-uploading {
     .x-loading-spinner {
         font-size: 100%;
@@ -46,4 +46,4 @@ $loading-spinner-color: #000000;
     max-width: 95%;
     background-image: -webkit-linear-gradient(top, #ff1a1a,#e60000 3%,#b30000);
     display: inline-block;
-}
+}