Revert change

Signed-off-by: Mario Danic <mario@lovelyhq.com>

src/main/java/com/owncloud/android/providers/FileContentProvider.java

@@ -621,8 +621,8 @@ public class FileContentProvider extends ContentProvider {
 
         // if both are null, let them pass to query
         if (selectionArgs == null && selection != null) {
-            selection = "(?)";
             selectionArgs = new String[]{selection};
+            selection = "(?)";
         }
 
         sqlQuery.setStrict(true);