typo

Author: rbri

src/main/java/org/htmlunit/html/xpath/XPathHelper.java

@@ -127,7 +127,7 @@ else if (result instanceof XString) {
                 list.add((T) result.str());
             }
             else {
-                throw new RuntimeException("Unproccessed " + result.getClass().getName());
+                throw new RuntimeException("Unprocessed " + result.getClass().getName());
             }
         }
         finally {