Updated parameter type after change to interface

Bug 369942: Confusing interface names ApplicationConfiguration and ApplicationConfigurator 
https://bugs.eclipse.org/bugs/show_bug.cgi?id=369942
diff --git a/bundles/org.eclipse.rap.rwt.supplemental.filedialog.demo/src/org/eclipse/rap/examples/demo/fileupload/FileUploadExampleContribution.java b/bundles/org.eclipse.rap.rwt.supplemental.filedialog.demo/src/org/eclipse/rap/examples/demo/fileupload/FileUploadExampleContribution.java
index 36498f8..3296063 100644
--- a/bundles/org.eclipse.rap.rwt.supplemental.filedialog.demo/src/org/eclipse/rap/examples/demo/fileupload/FileUploadExampleContribution.java
+++ b/bundles/org.eclipse.rap.rwt.supplemental.filedialog.demo/src/org/eclipse/rap/examples/demo/fileupload/FileUploadExampleContribution.java
@@ -12,7 +12,7 @@
 
 import org.eclipse.rap.examples.IExampleContribution;
 import org.eclipse.rap.examples.IExamplePage;
-import org.eclipse.rwt.application.ApplicationConfiguration;
+import org.eclipse.rwt.application.Application;
 
 
 final class FileUploadExampleContribution implements IExampleContribution {
@@ -29,6 +29,6 @@
     return new FileUploadExamplePage();
   }
 
-  public void configure( ApplicationConfiguration configuration ) {
+  public void configure( Application application ) {
   }
 }