Fix resource leak

git-svn-id: http://google-refine.googlecode.com/svn/trunk@2522 7d457c2a-affb-35e4-300a-418c747d4874

extensions/gdata/src/com/google/refine/extension/gdata/GDataExtension.java

@@ -179,6 +179,7 @@ abstract public class GDataExtension {
                 }
             }
         }
+        scanner.close();
         if (row != null) {
             rows.add(row);
         }