Fix memory leak. This auto deletes the file picker, the old code did't.

indra/newview/llviewerobjectbackup.cpp

@@ -815,7 +815,7 @@ void LLObjectBackup::importObject(bool upload)
 	mRetexture = upload;
 	
 	// Open the file open dialog
-	AIFilePicker* filepicker = new AIFilePicker;
+	AIFilePicker* filepicker = AIFilePicker::create();
 	filepicker->open(FFLOAD_XML, "", "import");
 	filepicker->run(boost::bind(&LLObjectBackup::importObject_continued, this, filepicker));