Bug 1530462 followup: remove end-of-line whitespace in testcase. (no review, trivial test-only change)

layout/reftests/w3c-css/submitted/shapes1/float-retry-push-image.html

@@ -48,7 +48,7 @@
   }
 </style>
 
-<div style="width: 300px; height: 100px;" class="clip"> 
+<div style="width: 300px; height: 100px;" class="clip">
 <div id="shape"></div>
 <span id="too-wide"></span>
 <div>